Definition of cetacea

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Cetacea (n. pl.) An order of marine mammals, including the whales. Like ordinary mammals they breathe by means of lungs, and bring forth living young which they suckle for some time. The anterior limbs are changed to paddles; the tail flukes are horizontal. There are two living suborders:.

Lern More About Cetacea

Whale :: Whale (n.) Any aquatic mammal of the order Cetacea, especially any one of the large species, some of which become nearly one hundred feet long. Whales are hunted chiefly for their oil and baleen, or whalebone..
Cetacean :: Cetacean (n.) One of the Cetacea.
Testicond :: Testicond (a.) Having the testicles naturally concealed, as in the case of the cetaceans..
Mutilate :: Mutilate (a.) Having finlike appendages or flukes instead of legs, as a cetacean..
Denticete :: Denticete (n. pl.) The division of Cetacea in which the teeth are developed, including the sperm whale, dolphins, etc..
Balaenoidea :: Balaenoidea (n.) A division of the Cetacea, including the right whale and all other whales having the mouth fringed with baleen. See Baleen..
Cetaceous :: Cetaceous (a.) Of or pertaining to the Cetacea.
Bottle-nose :: Bottle-nose (n.) A cetacean of the Dolphin family, of several species, as Delphinus Tursio and Lagenorhyncus leucopleurus, of Europe..
Beluga :: Beluga (n.) A cetacean allied to the dolphins.
Delphinoidea :: Delphinoidea (n. pl.) The division of Cetacea which comprises the dolphins, porpoises, and related forms..
Narwhal :: Narwhal (n.) An arctic cetacean (Monodon monocerous), about twenty feet long. The male usually has one long, twisted, pointed canine tooth, or tusk projecting forward from the upper jaw like a horn, whence it is called also sea unicorn, unicorn fish, and unicorn whale. Sometimes two horns are developed, side by side..
Grampus :: Grampus (n.) A toothed delphinoid cetacean, of the genus Grampus, esp. G. griseus of Europe and America, which is valued for its oil. It grows to be fifteen to twenty feet long; its color is gray with white streaks. Called also cowfish. The California grampus is G. Stearnsii..
Delphinus :: Delphinus (n.) A genus of Cetacea, including the dolphin. See Dolphin, 1..
Bottlehead :: Bottlehead (n.) A cetacean allied to the grampus; -- called also bottle-nosed whale.
Beard :: Beard (n.) The appendages to the jaw in some Cetacea, and to the mouth or jaws of some fishes..
Odontocete :: Odontocete (n.pl.) A subdivision of Cetacea, including the sperm whale, dolphins, etc.; the toothed whales..
Dolphin :: Dolphin (n.) A cetacean of the genus Delphinus and allied genera (esp. D. delphis); the true dolphin.
Xiphius :: Xiphius (n.) A genus of cetaceans having a long, pointed, bony beak, usually two tusklike teeth in the lower jaw, but no teeth in the upper jaw..
Mutilate :: Mutilate (n.) A cetacean, or a sirenian..
Mysticete :: Mysticete (n.) Any right whale, or whalebone whale. See Cetacea..
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