Entry 1 sense Webster, 1913 Errhine · Er·rhine · IPA /ˈɛɹ.aɪn/ 01 n. A medicine designed to be snuffed up the nose, to promote discharges of mucus; a sternutatory. 1. A medicine designed to be snuffed up the nose, to promote discharges of mucus; a sternutatory.(Med.)