a minimal unit (as a word or stem) in the lexicon of a language; `go' and `went' and `gone' and `going' are all members of the English lexeme `go'
例句
用作名词 (n.)
Lexeme-----is postulated as the abstract unit underlying the smallest unit in the lexical system of a language, which appears in different grammatical contexts. 词位被假定为语言词汇系统中潜在于最小单位之下的抽象单位,而最小单位是在不同的语法环境中出现的。