• WordNet 3.6
    • n Cetacea an order of Eutheria
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Webster's Revised Unabridged Dictionary
    • n. pl Cetacea (Zoöl) 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:
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Century Dictionary and Cyclopedia
    • cetacea Formerly, the systematic name of animals of the whale kind in general, including the sirenians or herbivorous cetaceans and the cetaceans proper: same as Cetomorpha.
    • cetacea Same as Cete, 1.
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Chambers's Twentieth Century Dictionary
    • n.pl Cetacea se-tā′shi-a an order of mammals of aquatic habit and fish-like form, including the Toothed whales, or Odontoceti, and the Baleen whales, or Mystacoceti. To the former belong the Sperm whales, the Bottlenose, the genus Platanista and its allies, and the great family of Dolphins; to the latter, the Right Whale (Balæna), the Humpbacks, and the Rorquals
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Webster's Revised Unabridged Dictionary
NL., from L. cetus, whale, Gr.
Chambers's Twentieth Century Dictionary
L.,—Gr. kētos, any sea-monster.


In literature:

They are intelligent cetacea.
"Twenty Thousand Leagues under the Sea" by Jules Verne
Cetacea (whales) and Edentata (armadilloes, scaly ant-eaters, etc.
"On the Origin of Species" by Charles Darwin
Birds, fish, and all the cetacea disappeared and perfect silence prevailed.
"The Field of Ice" by Jules Verne
Among the marine animals of Moreton Bay are two cetacea of great interest.
"Narrative Of The Voyage Of H.M.S. Rattlesnake, Commanded By The Late Captain Owen Stanley, R.N., F.R.S. Etc. During The Years 1846-1850. Including Discoveries And Surveys In New Guinea, The Louisiade Archipelago, Etc. To Which Is Added The Account Of Mr. E.B. Kennedy's Expedition For The Exploration Of The Cape York Peninsula. By John Macgillivray, F.R.G.S. Naturalist To The Expedition. In Two Volumes. Volume 1." by John MacGillivray
Cetacea, 68, 74. described by Megasthenes and AElian, 69.
"Sketches of the Natural History of Ceylon" by J. Emerson Tennent
I left the cetacea with some foreboding.
"Tales of the Chesapeake" by George Alfred Townsend
I have placed Cetacea after Carnivora, and Edentata at the end.
"Natural History of the Mammalia of India and Ceylon" by Robert A. Sterndale
Cetacea, 343, 409; rudimentary teeth of, 307.
"Lamarck, the Founder of Evolution" by Alpheus Spring Packard
Animal life in the sea is very rich; turtles and many kinds of fish and Cetaceae are plentiful.
"Two Years with the Natives in the Western Pacific" by Felix Speiser
CETACEA, correlation of dermal system and teeth in the, ii.
"The Variation of Animals and Plants Under Domestication, Volume II (of 2)" by Charles Darwin