Entry 2 senses · 2 variants Webster, 1913 Esurine · Es·u·rine · IPA a. n. 01 a. Causing hunger; eating; corroding. 1. Causing hunger; eating; corroding.[Obs.] 02 n. A medicine which provokes appetites, or causes hunger. 1. A medicine which provokes appetites, or causes hunger.(Med.) [Obs.]