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self-mate

American  
[self-meyt] / ˈsɛlfˌmeɪt /

noun

Chess.

  1. a move that will cause a player's king to be mated within a certain number of subsequent moves.

Etymology

Origin of self-mate

First recorded in 1885–90

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.