Entry 1 sense Webster, 1913 Lientery /(lī"ĕn*tĕr*y̆)/ · Li·en·ter·y · IPA 01 n. A diarrhea, in which the food is discharged imperfectly digested, or with but little change. 1. A diarrhea, in which the food is discharged imperfectly digested, or with but little change.(Med.)