finless sole
A fish, Pardachirus marmoratus

finlet
Small non-retractable fins, generally on the caudal peduncle between the last dorsal or anal fin and the caudal fin of some fishes. In some groups, such as tuna, finlets are rayless.

finlets
plural of finlet

finnac
Alternative spelling of finnock.

finnack
Alternative spelling of finnock.

finnacks
plural of finnack

finnacs
plural of finnac

finnage
fins on something such as a fish.

finnages
plural of finnage

finnan haddock
haddock cured with the smoke of green wood, turf or peat.

finnif
Alternative form of finif.

finniff
Alternative form of finif.

finniffs
plural of finniff

finnifs
plural of finnif

finnoc
Alternative spelling of finnock.

finnock
A young sea trout, in the year after they return to fresh water after their smolt migration stage.

finnocks
plural of finnock

finnocs
plural of finnoc

finray
A lepidotrichium.

finrays
plural of finray

finspine
A bony structure supporting the fins in some fish

finspines
plural of finspine

fireback
Any of certain species of pheasant in the genus Lophura.
A piece of iron that fits into the back of a fireplace to distribute the heat and keep the brick from cracking.

firebacks
plural of fireback

firebellies
plural of firebelly

firebelly
fire-bellied toad

firecrown
Any hummingbird of the genus Sephanoides.

firecrowns
plural of firecrown

firedragon
A fiery dragon; firedrake.
A fiery meteor.

firedragons
plural of firedragon

firefish
Any of several species of fish in the genus Nemateleotris
Any of various fish of the genera Pterois and Parapterois.

firefishes
plural of firefish

firehawk
The black kite, particularly in the context of its spreading of wildfires.

firehawks
plural of firehawk

firehead tetra
A freshwater ray-finned fish, Hemigrammus bleheri, native to South America.

firetail
Any Australian finch of the genus Stagonopleura.
The common redstart.

firetails
plural of firetail

fish ball
Alternative spelling of fishball.

fish cake
Alternative spelling of fishcake.

fish doctor
Synonym of eelpout.

fish-eating crocodile
Synonym of gharial

fishapod
Any of several extinct creatures of the subclass Tetrapodomorpha having features both of fish and tetrapods, especially Tiktaalik.

fishapods
plural of fishapod

fishbellies
plural of fishbelly

fishbelly
The belly of a fish.
An early kind of cast iron rail for railways, predating the bullhead rail.

fishboy
A boy who catches, prepares, or sells fish.
A merboy.

fishboys
plural of fishboy

fishburger
A burger made with fish instead of beef.

fishburgers
plural of fishburger

fishcake
A mixture of flaked fish, mashed potato or another starch, and seasoning, made into a patty and shallow fried.

fishcakes
plural of fishcake

fishculture
Synonym of pisciculture.

fisherfolk
People who fish for a living.
Members of a culture that is dominated by fishing.
Recreational fishers.

fisherfolks
plural of fisherfolk

fishess
A female fish.

fishesses
plural of fishess

fishet
A young or small fish.

fishets
plural of fishet

fishgirl
A girl who catches, prepares, or sells fish.
A mermaid.

fishgirls
plural of fishgirl

fishhawk
The osprey.

fishhawks
plural of fishhawk

fishing frog
An anglerfish (Lophius spp.).

fishing-frog
Alternative typography of fishing frog.

fishkeeping
The cultivation of fish as a hobby.

fishlet
A little fish.

fishlets
plural of fishlet

fishlife
The fish (e.g. of an area) collectively.

fishling
A small or young fish; fry.

fishlings
plural of fishling

fishmarket
A market where fish is sold.
A social gathering consisting only of females. Cf. sausagefest for males.

fishmarkets
plural of fishmarket

fishmeal
Ground dried fish, used mainly for livestock feed.

fishmongering
The trade of a fishmonger, selling fish.

fishmoth
An insect, the silverfish.

fishmoths
plural of fishmoth

fishopod
A classification of fish. The transitional forms grouped together, between earlier tetrapodomorphs and later tetrapods. A subgroup of tetrapodomorphs, as tetrapods are a subgroup of tetrapodomorph.

fishopods
plural of fishopod

fishpool
A pool of water containing fish; fishpond.

fishpools
plural of fishpool

fishscale
The scale of a fish.
Cocaine, usually of high quality, taken directly off the brick and uncut.

fishscales
plural of fishscale

fishsicle
A cold or frozen fish.

fishsicles
plural of fishsicle

fishsona
A fursona that is a fish.

fishsonas
plural of fishsona

fishstock
The fish living in a particular body of water.

fishstocks
plural of fishstock

fishway
A structure built on or around dams or locks to facilitate the migration of fish.

fishways
plural of fishway

fishweir
An obstruction placed in tidal waters, or wholly or partially across a river, to trap fish or hinder their passage.

fishweirs
plural of fishweir

fishwich
A burger with a filling of breaded fish.

fishwiches
plural of fishwich

fishworm
A worm used as bait in angling.
A worm that parasitizes fish.

fishworms
plural of fishworm

fissi
Sarotherodon caroli, a cichlid endemic to Lake Barombi Mbo in western Cameroon.

fissis
plural of fissi

fistula
An abnormal connection or passageway between organs or vessels that normally do not connect.
A tube, a pipe, or a hole.
The tube through which the wine of the Eucharist was once sucked from the chalice in certain ceremonies (such as papal Masses).

fistulae
plural of fistula

fistulas
plural of fistula

fistule
Alternative form of fistula.

fistules
plural of fistule

fistulogram
An X-ray taken of a fistula after a contrast medium has been injected.

fistulograms
plural of fistulogram

five finger
Pseudopanax arboreus, a New Zealand tree with compound leaves with five to seven 'fingers' and thick, leathery leaves with large teeth. A small, many-branched, round-headed tree with thick, brittle, spreading branches.

fixosessile
An organism that attaches firmly (fixes) to a surface (sessile), forming permanent, immobile colonies or individuals, like certain corals, brachiopods, or rotifers that anchor themselves to rocks or plants.

flagellogenesis
The generation of flagella

flagellomere
A segment of the flagellum of the antenna of an insect or crustacean.

flagellomeres
plural of flagellomere

flagfall
The start of a horse race
A fixed fare charged at the beginning of a taxi ride

flagfalls
plural of flagfall

flagfish
A freshwater fish in the family Cyprinodontidae native to Florida, Jordanella floridae, sometimes kept in aquaria and used in laboratory tests of the biological effects of environmental pollutants.

flagtails
plural of flagtail

flagworm
A worm or grub, such as Corthylus columbianus (chestnut timber worm, Columbian timber beetle), found among flags and sedge.

flagworms
plural of flagworm

flameback
Synonym of goldenback (“woodpecker”).

flamefish
A cardinalfish of the genus Apogon.

flaminglet
A flamingo chick.

flaminglets
plural of flaminglet

flashlight fish
Any of various fishes with large bioluminescent organs, mostly in family Anomalopidae.

flashlightfish
Alternative form of flashlight fish.

flashlightfishes
plural of flashlightfish

flat lizards
plural of flat lizard

flat-faced seahorse
A species of seahorse, Hippocampus trimaculatus

flat-tail sea snake
Synonym of katuali (Laticauda schistorhyncha).

flatback
A chelonid turtle, Natator depressus, with low-domed carapace, endemic to the continental shelf of Australia.

flatbacks
plural of flatback

flatcests
plural of flatcest

flatfish
A fish of the order Pleuronectiformes, the adults of which have both eyes on one side and usually swim with the other side down, such as a flounder, a halibut, or a sole.

flatfishes
plural of flatfish

flathead
Any fish in the family Platycephalidae.
Ellipsis of flathead catfish
A type of screw or bolt designed to fit in a countersink so that it sits flush with a surface.
Synonym of side valve.

flathead catfish
A large freshwater catfish native to North America, Pylodictis olivaris.

flathead grey mullet
Synonym of flathead mullet