DISSEPIMENT Meaning of DISSEPIMENT in English [ dɪ'sɛpɪm(ə)nt ]■ noun Botany & Zoology a partition in a part or organ; a septum.OriginC18: from L. dissaepimentum , from dissaepire 'make separate'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004