Lexeme
From Awe
OED defines this word as: ‘A word-like grammatical form intermediate between morpheme and utterance, often identical with a word occurrence; a word in the most abstract sense, as a meaningful form without an assigned grammatical role; an item of vocabulary.’ This basically means ‘the smallest unit of vocabulary that you can find in a dictionary’. Most usually it is the same as a word, but sometimes it is smaller, e.g. a prefix like ‘un-’.
