checkrein

[ chek-reyn ]
/ ˈtʃɛkˌreɪn /

noun

a short rein passing from the bit to the saddle of a harness, to prevent the horse from lowering its head.Compare overcheck(def 2), sidecheck.
a short rein joining the bit of one of a span of horses to the driving rein of the other.

Origin of checkrein

First recorded in 1800–10; check1 + rein
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for checkrein

checkrein

/ (ˈtʃɛkˌreɪn) /

noun

the usual US word for bearing rein
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