Entry 2 senses · 2 variants Webster, 1913 Stomatic · Sto·mat·ic · IPA a. n. 01 a. Of or pertaining to a stoma; of the nature of a stoma. 1. Of or pertaining to a stoma; of the nature of a stoma.(Bot.) 02 n. A medicine for diseases of the mouth. 1. A medicine for diseases of the mouth.(Med.)