Entry 2 senses Webster, 1913 Tinea · Tin·e·a · IPA /ˈtɪ.ni.ə/ 01 n. A name applied to various skin diseases, but especially to ringworm. See Ringworm, and Sycosis. 1. A name applied to various skin diseases, but especially to ringworm. See Ringworm, and Sycosis.(Med.) See: Ringworm, Sycosis 2. A genus of small Lepidoptera, including the clothes moths and carpet moths.(Zool.)