catch-colt

[ kach-kohlt ]
/ ˈkætʃˌkoʊlt /

noun Chiefly Inland North and Western U.S..

the offspring of a mare bred accidentally.
Also called old-field colt, woods colt. a child born out of wedlock.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019