- any sirenian, as the manatee or dugong.
- Obsolete. the hippopotamus.
Origin of sea cow
First recorded in 1605–15
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for sea cow
The way it held the sea-cow gave us a notion of its immense strength.On the Banks of the Amazon
Squier and Davis, who first figured it, supposed it to represent a manatee, or sea-cow.The Prehistoric World
E. A. Allen
I wonder if Bob has any idea of the size of a manatee or sea-cow?The Motor Boys in Strange Waters
It was named from the sea-cow, which was found there, and used as an article of food.Petals Plucked from Sunny Climes
The sea-cow is one of these animals; the last specimens of which were seen in 1767 and 1768.My Native Land
- any sirenian mammal, such as a dugong or manatee
- an archaic name for walrus
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012