LACINIATE Meaning of LACINIATE in English [ lə'sɪnɪət ](also ~d -eɪtɪd ) ■ adjective Botany & Zoology divided into deep, narrow, irregular segments.OriginC18: from L. lacinia 'fringe or flap of a garment' + -ate 2 . Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004