OSCULAR Meaning of OSCULAR in English [ 'ɒskjʊlə ]■ adjective1》 humorous relating to kissing. 2》 Zoology relating to an osculum.OriginC19: from L. osculum 'little mouth, kiss' (dimin. of os 'mouth') + -ar 1 . Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004