Entry 2 senses · 2 variants Webster, 1913 Lambative · Lam·ba·tive · IPA a. n. 01 a. Taken by licking with the tongue. 1. Taken by licking with the tongue. 02 n. A medicine taken by licking with the tongue; a lincture. 1. A medicine taken by licking with the tongue; a lincture.