from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A male cat.
- intransitive v. Slang To be sexually active with more than one partner. Used of men.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A tom, a male cat.
- v. To prowl for sexual gratification.
from the GNU version of the Collaborative International Dictionary of English
- n. A male cat, especially when full grown or of large size.
from The Century Dictionary and Cyclopedia
- n. A male cat, especially a full-grown male cat.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. male cat
From a story by an anonymous author published in 1760 called The Life and Adventures of a Cat in which the male cat, then known as a ram cat, was called Tom. (Reference: Desmond Morris, Catwatching.) (Wiktionary)