[ad_1] noun Linguistics.
- a lexical unit in a language, as a word or base; vocabulary item.
- linguistics a minimal meaningful unit of language, the meaning of which cannot be understood from that of its component morphemes. Take off (in the senses to mimic, to become airborne, etc) is a lexeme, as well as the independent morphemes take and off
n.1937, from lexicon + -eme, ending abstracted from morpheme. Related: Lexemic.