A division of the Cetacea, including the right whale and all other whales having the mouth fringed with baleen. See Baleen.
Its definition shares important concepts with this word: order, marine, mammals, including, whales.
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Cetacea
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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