from Wiktionary, Creative Commons Attribution/Share-Alike License
- proper n. A fictional grinning cat, made popular by Lewis Carroll's Alice's Adventures in Wonderland.
from The Century Dictionary and Cyclopedia
- n. See cat.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a fictional cat with a broad fixed smile on its face; created by Lewis Carroll
The term is attested since at least the 1790s. (Wiktionary)