meaning of cetain
1. 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:
2. an order of Eutheria
Related Words
cetacea | cetacean | cetacean mammal | cetaceous |
