SUPERJACENT Meaning of SUPERJACENT in English [ ˌsu:pə'dʒeɪs(ə)nt ]■ adjective technical overlying.OriginC16: from L. ~- , from super- 'over' + jacere 'to lie'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004