Entry 2 senses · 2 variants Webster, 1913 Thymic · Thym·ic · IPA /ˈθaɪmɪk/ a. a. 01 a. Of or pertaining to the thymus gland. 1. Of or pertaining to the thymus gland.(Anat.) 02 a. Pertaining to, or derived from, thyme; as, thymic acid. 1. Pertaining to, or derived from, thyme; as, thymic acid.(Med. Chem.)