Entry 1 sense Webster, 1913 Linguistics /(lĭṉ*gwĭs"tĭks)/ · Lin·guis·tics · IPA /lɪŋˈɡwɪstɪks/ 01 n. The science of languages, or of the origin, signification, and application of words; glossology. 1. The science of languages, or of the origin, signification, and application of words; glossology.