- a constantly grinning cat in Lewis Carroll's Alice's Adventures in Wonderland.
- grin like a Cheshire cat, to smile or grin inscrutably.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for cheshire cat
Leila relaxed exaggeratedly in her chair, her Cheshire-cat smile predominating her features.Marjorie Dean College Junior
Alice was a little startled by seeing the Cheshire-Cat sitting on a bough of a tree a few yards off.Alice in Wonderland
But on the Cheshire-cat hypothesis, the social problem can never be solved, because it is not a real problem at all.The Behavior of Crowds
Everett Dean Martin
A cat with an enormous grin encountered by Alice in Alice's Adventures in Wonderland, by Lewis Carroll. The cat tends to disappear, leaving only its smile hanging in the air.
“Smiling like a Cheshire cat” refers to anyone with a conspicuous and long-lasting smile.
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.