Any of various seals of the family Otariidae, which includes the sea lions and fur seals, characterized by external ears, oarlike front flippers, and hind flippers that can be turned forward for walking on land.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.