orca
A sea mammal (Orcinus orca) related to dolphins and porpoises, commonly called the killer whale.

orcas
plural of orca

pantropical spotted dolphin
Stenella attenuata, a dolphin found in temperate and tropical oceans.

pellock
A porpoise.

pellocks
plural of pellock

physeter
A member of the genus Physeter; a sperm whale.
A filtering machine operated by air pressure.

physeters
plural of physeter

piebald dolphin
Commerson's dolphin

piebald dolphins
plural of piebald dolphin

pilot whale
Either of two species of whale in the genus Globicephala, dark grey in colour.

pilot whales
plural of pilot whale

pink dolphin
A subspecies of the Indo-Pacific humpback dolphin (Sousa chinensis chinensis), of the Pearl River Delta, which gain pink coloration as they age.
Any dolphin of the species Inia geoffrensis, of the Amazon River, males of which gain pink coloration as they age; Amazon River dolphin.

pink river dolphin
Synonym of Amazon river dolphin (“Inia geoffrensis”)

pollack whale
sei whale

porcpisce
Obsolete spelling of porpoise.

porcpisces
plural of porcpisce

porpess
Obsolete form of porpoise.

porpesse
Obsolete form of porpoise.

porpesses
plural of porpess
plural of porpesse

porpoise
Any small cetacean of the family Phocoenidae, related to dolphins and whales.
Any small dolphin.

porpoises
plural of porpoise

porpus
Obsolete spelling of porpoise.

porpuses
plural of porpus

pothead
A person who smokes cannabis frequently, or to excess.
An electric motor's terminal connection or wiring box.
A stupid individual; a fool.

potheads
plural of pothead

puffing pig
A porpoise, especially the harbour porpoise.

pygmy blue whale
A small kind of blue whale, Balaenoptera musculus brevicauda

pygmy killer whale
An oceanic dolphin of the species Feresa attenuata.

pygmy killer whales
plural of pygmy killer whale

pygmy right whale
A baleen whale of the species Caperea marginata.

pygmy right whales
plural of pygmy right whale

pygmy sperm whale
One of the two small whales in the sperm whale superfamily (Kogia breviceps).

pygmy sperm whales
plural of pygmy sperm whale

right whale
Any baleen whale of the genus Eubalaena.

right whale dolphins
plural of right whale dolphin

right whales
plural of right whale

river dolphins
plural of river dolphin

rorqual
Any whale of family Balaenopteridae, with longitudinal skin folds running from below the mouth to the navel, allowing the capacity of the mouth to expand greatly when feeding.

rorquals
plural of rorqual

rough-toothed dolphin
An oceanic dolphin of the species Steno bredanensis.

rough-toothed dolphins
plural of rough-toothed dolphin

roundhead
Having a dome-shaped head.

roundheads
plural of roundhead

scrag whale
A North Atlantic baleen whale now generally considered to be part of an extinct population of the gray whale, Eschrichtius robustus, once considered by some the young of right whales (Balaenidae).

sea canary
The beluga.

sea unicorn
The narwhal.

sea-hog
Alternative spelling of sea hog.

sei whale
A whale of the rorqual family (Balaenoptera borealis).

slopehead
A person of East Asian ethnicity, particularly Vietnamese.

slopeheads
plural of slopehead

social whale
pilot whale

sousa
Clipping of sousaphone.

sousas
plural of sousa

southern bottlenose whale
Any of species Hyperoodon planifrons of bottlenose whales, found in the southern oceans.

spade-toothed whale
A whale of species Mesoplodon traversii.

spectacled porpoise
A species of porpoise, Phocoena dioptrica

sperm whale
A whale, Physeter macrocephalus, the largest of the toothed whales.
Any whale in the superfamily Physeteroidea, which also includes the small whales of genus Kogia.

sperm whales
plural of sperm whale

spinner dolphin
A species of small dolphin (Stenella longirostris).

spinner dolphins
plural of spinner dolphin

spotted dolphins
plural of spotted dolphin

squalodon
Any of a genus of extinct whales with serrated teeth, belonging to the family Squalodontidae.

squalodons
plural of squalodon

steno
a stenographer, someone whose job is to take dictation in shorthand
stenography

stenos
plural of steno

striped dolphin
An extensively studied dolphin (Stenella coeruleoalba), found in temperate and tropical waters of all the world's oceans.

superhumps
plural of superhump

susu
An informal money pooling scheme practised in Africa, the Caribbean, and some immigrant communities.

susus
plural of susu

swordfish
A large marine fish with a long, pointed bill, Xiphias gladius.
A sudoku technique involving possible cell locations for a digit, or pair, or triple, in uniquely three rows and three columns only. This allows for the elimination of candidates around the grid.

swordfishes
plural of swordfish

tertulias
plural of tertulia

tucuxi
A freshwater dolphin, estuarine dolphin Sotalia fluviatilis, found in the rivers of the Amazon Basin

tucuxis
plural of tucuxi

tursiops
plural of tursiop

vaquita
A critically endangered porpoise, the smallest of its kind, Phocoena sinus, endemic to the northern part of the Gulf of California, Mexico.

vaquita marina
A vaquita (Phocoena sinus).

vaquitas
plural of vaquita

whale
Any one of numerous large marine mammals comprising an informal group within infraorder Cetacea that usually excludes dolphins and porpoises.
Any species of Cetacea.
Something, or someone, that is very large.
Something, or someone, that is excellent.
A gambler who routinely wagers large amounts of money.
An investor who deals with very large amounts of money.
A person who spends large amounts of money on things that are marketed to them.
An overweight person (usually a woman)

whaled
simple past and past participle of whale

whales
plural of whale

whaling
The practice of hunting whales.
The practice of spotting whales.
A beating.
A form of highly personalized cyberattack that targets a senior business executive.

whalings
plural of whaling

white whale
Synonym of beluga (“the beluga whale, Delphinapterus leucas, a cetacean found in the Arctic Ocean”)
Any whale of the family Monodontidae, which comprises the beluga whales and narwhals (Monodon monoceros), and some extinct species.
An obsession, a monomania.
A printing plate, used to manufacture a particular sports card, that is then issued as a collectible itself.

white whales
plural of white whale

white-beaked dolphin
A marine mammal belonging to the species Lagenorhynchus albirostris.

white-beaked dolphins
plural of white-beaked dolphin

white-sided dolphin
Any dolphin of the species Leucopleurus acutus and Aethalodelphis obliquidens which have conspicuous white markings on the sides of their body.

white-sided dolphins
plural of white-sided dolphin

whitefin dolphin
Synonym of baiji.

zeuglodon
A basilosaurus.

zeuglodons
plural of zeuglodon

acaleph
A member of the former Acalephae group, now a part of the Cnidaria phylum.

acalephan
An acaleph.

acalephe
Alternative form of acaleph.

acalephs
plural of acaleph

actinia
A sea anemone, specifically a member of the genus Actinia.

actiniae
plural of actinia

actinias
plural of actinia

aegir
Alternative spelling of eagre.

aegirs
plural of aegir

agalma
A cult image or votive offering.

agalmata
plural of agalma

alcyonium
Any of the soft corals of the genus Alcyonium of fleshy Alcyonaria, their polyps are somewhat flower-like.

alcyoniums
plural of alcyonium

amplexus
A form of pseudocopulation, found chiefly in amphibians and horseshoe crabs, in which a male grasps a female with his front legs as part of the mating process.
In vernation, the situation where two sides of one leaf overlap the two sides of the one above it.

anemones
plural of anemone

anthelia
plural of anthelion

antholites
plural of antholite

anthozoa
plural of anthozoan
plural of anthozoon

anthozoans
plural of anthozoan

aurelia
The chrysalis of an insect, especially of a butterfly.

aurelias
plural of aurelia

barrel jellyfish
Rhizostoma pulmo, a species of mildly venomous jellyfish that looks similar to a mushroom.