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grimalkin

American  
[gri-mal-kin, -mawl-] / grɪˈmæl kɪn, -ˈmɔl- /

noun

  1. a cat.

  2. an old female cat.

  3. an ill-tempered old woman.

grimalkin British  
/ ɡrɪˈmælkɪn, -ˈmɔːl- /

noun

  1. an old cat, esp an old female cat

  2. a crotchety or shrewish old woman

"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

Etymology

Origin of grimalkin

1595–1605; apparently alteration of gray 1 + malkin, diminutive of Maud proper name; -kin

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.