MOT Meaning of MOT in English n. (pl. mots pronunc. same) a witty saying. mot juste (pl. mots justes pronunc. same) the most appropriate expression. [ F, = word, ult. f. L muttum uttered sound f. muttire murmur ] Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012