sidhe
A supernatural creature of Irish and Scottish folklore, living in Sidhe; a fairy.

sifilet
The western parotia (Parotia sefilata), a species of bird of paradise found in New Guinea

sifilets
plural of sifilet

sigben
Alternative spelling of sigbin.

sigbens
plural of sigben

sigbin
A creature of Philippine mythology, resembling a hornless goat, said to come out at night to suck the blood of victims from their shadows.
A cryptid resembling a kangaroo or a deer.

sigbins
plural of sigbin

sightscreen
A large screen, at each end of a cricket field, coloured to provide visual contrast to the cricket ball, to aid the batsman in seeing its movement through the air.

sightscreens
plural of sightscreen

sigil
A seal, signature or signet.
An occult or magical sign, image or symbol.
A nonalphanumeric symbol affixed to a term (such as a variable) to indicate a property such as type or scope.

sigillarians
plural of sigillarian

sigillum
A seal

sigils
plural of sigil

sigmaspire
A spicule (of a sponge) that has a sigmoid, twisted form

sigmaspires
plural of sigmaspire

sigmodont
Any of the Sigmodontinae subfamily of rodents, including New World rats and mice.

sigmodonts
plural of sigmodont

signalman
Somebody employed to operate the signals and points of a railway.
A member of the armed forces responsible for signalling.
Somebody employed to direct rigging or crane operations by providing a different point of view.

signalmen
plural of signalman

signiphorid
Any member of the Signiphoridae of parasitic wasps.

signiphorids
plural of signiphorid

sikatch
Alternative form of seecatch.

sikatches
plural of sikatch

sild
Any young herring (other than a sprat), especially if canned and processed in Scandinavia for sale as a sardine.

silds
plural of sild

silents
plural of silent

silicicole
Any silicicolous organism.

silicicoles
plural of silicicole

silicifier
A living organism that builds structures from silica.

silicifiers
plural of silicifier

silicisponge
Any sponge having a silica skeleton

silicisponges
plural of silicisponge

silkie
A chicken of a certain breed with very fine, silk-like feathers, blue-black skin and bones, and five toes per foot (instead of the usual four).

sillaginid
Any in the family Sillaginidae of fishes.

sillaginids
plural of sillaginid

sillago
Any fish of the genus Sillago.

sillagos
plural of sillago

sillock
A pollock or a coalfish, sometimes especially a young coalfish.

sillocks
plural of sillock

silovik
A member of the Russian military, law enforcement, or intelligence services (the KGB or FSB), or a politician with a background in such services.

siloviki
plural of silovik

siloviks
plural of silovik

siluri
plural of silurus

silurus
Any fish of the genus Silurus; a sheatfish.

siluruses
plural of silurus

silvanid
Any member of the family Silvanidae of flat bark beetles.

silvanids
plural of silvanid

silvaniform
An insect that inhabits trees

silvaniforms
plural of silvaniform

silver bream
A fish from any of several species:
A fish from any of several species:
A fish from any of several species:
A fish from any of several species:
A fish from any of several species:
A fish from any of several species:
A fish from any of several species:
A fish from any of several species:
A fish from any of several species:

silver carp
A fish of the species Hypophthalmichthys molitrix, native to East Asia, cultivated as a food fish.

silver chub
Macrhybopsis storeriana, a cyprinid fish of North America.

silver dollar
A dollar coin, whether made from silver or not.
A small pancake.
Several species of tropical freshwater fish of the genus Metynnis, of the family Characidae or Serrasalmidae, of which Metynnis argenteus is one; popular for aquariums; so named from their shape and flashing silver color.

silver dollar fish
Synonym of silver dollar (a type of tropical freshwater fish)

silver eel
Ariosoma mellissii, a rare tropical marine eel.

silver gar
A long, slender fish common to coastal waters of the west Atlantic and nearby freshwater (Strongylura maritima).

silver hake
A species of hake, Merluccius bilinearis

silver king
Synonym of Atlantic tarpon.

silver perch
Certain percoid fish:
Certain percoid fish:
Certain percoid fish:
Certain percoid fish:

silver pomfret
Alternative form of silvery pomfret.

silver salmon
Coho salmon (Oncorhynchus kisutch)
beachsalmon (Leptobrama muelleri)

silver shark
Synonym of bala shark.

silver trevally
A silver-coloured fish with a dark back, of species Pseudocaranx dentex, found in warm waters worldwide.

silver trout
Salvelinus agassizii, an extinct charr of New Hampshire.
The rainbow trout

silver whiting
A southern school whiting (Sillago bassensis)
A northern whiting (Sillago sihama).

silverback
A mature male gorilla leading a troop, so named from the silver streaking on its back.
A dominant or powerful older human male.
Any of various ferns of the genus Pityrogramma.

silverbacks
plural of silverback

silverbellies
plural of silverbelly

silverbelly
Any fish of the genus Gerres
A grey stetson

silverfin
A small North American freshwater cyprinoid fish (Notropis whipplei, now Cyprinella whipplei).

silverfins
plural of silverfin

silverline
Any of various lycaenid butterflies of the genus Spindasis, having silver coloured stripes on the underwings.

silverlines
plural of silverline

silverside
Any of several small fish, mostly in families Atherinidae and Atherinopsidae, both in order Atheriniformes, that are characterized by bright, silvery scales.
Any of several small fish, mostly in families Atherinidae and Atherinopsidae, both in order Atheriniformes, that are characterized by bright, silvery scales.
The upper side of a round of beef.
The upper side of a round of beef.

silversides
A silverside (fish in order Atheriniformes).

silverspot
Any of numerous butterflies with silvery spots on the undersides of the wings.

silverspots
plural of silverspot

silvertip
A grizzly bear (Ursus arctos horribilis).
A shark (Carcharhinus albimarginatus).
A fir tree (Abies magnifica).

silvertips
plural of silvertip

silvery pout
Gadiculus argenteus, a species of cod.

silvofisheries
plural of silvofishery

silvofishery
A brackish-water aquaculture used in combination with mangrove rehabilitation

sim
Clipping of simulator.
Clipping of simulation.
A simulation session or scenario.

simbil
A shortish-legged African stork, Ciconia abdimii.

simbils
plural of simbil

simenchelyid
Any member of the Simenchelyidae.

simenchelyids
plural of simenchelyid

simiid
A member of the Simiidae; a monkey or ape excluding lemurs and humans.

simiids
plural of simiid

simiiform
Any member of the Simiiformes.

simiiforms
plural of simiiform

simorg
Alternative form of simurgh.

simorgh
Alternative form of simurgh.

simorghs
plural of simorgh

simorgs
plural of simorg

sims
plural of sim

simuliotoxicosis
Toxicosis caused by the presence of black flies of the genus Simulium.

simurg
Alternative form of simurgh.

simurgh
A gigantic winged benevolent creature.

simurghs
plural of simurgh

simurgs
plural of simurg

sinarapan
Mistichthys luzonensis the smallest commercially-harvested food fish endemic to Bicol Region, Philippines

singing fish
A California toadfish (Porichthys porosissimus), noted for the humming sound it produces during the breeding season.

sinraptorid
Any dinosaur in the family Sinraptoridae.

sinraptorids
plural of sinraptorid

siphonariid
Any member of the family Siphonariidae of air-breathing sea snails.

siphonariids
plural of siphonariid

siphoninid
A foraminifer of the family Siphoninoidea.

siphonophore
Any transparent marine hydrozoans, of the order Siphonophorae, that float or swim as colonies of polyps.

siphonopid
Any caecilian of the family Siphonopidae

siphonopids
plural of siphonopid

siphonostomatoid
Any member of the Siphonostomatoida, an order of maxillopods.

siphonostomatoids
plural of siphonostomatoid

siphunculi
plural of siphunculus