checkrein checkrack • checkroll · · · Info · Definitions · Synonyms · Characters · · checkrein · · Text Latin · · Script 9 · · Length Definitions · · · (noun) a rein designed to keep the horse's head in the desired position. Synonyms: bearing rein. · · Noun Definition 1 Synonyms · · · bearing rein · · Synonym 1 Characters · · c latin small letter c U+0063 e latin small letter e U+0065 h latin small letter h U+0068 i latin small letter i U+0069 k latin small letter k U+006B n latin small letter n U+006E r latin small letter r U+0072