chiefly Zoology & Botany
verb(usually as adjective imbricated)
- (of scales, sepals, plates, etc.) having adjacent edges overlapping. Compare with valvate.
early 17th century (in the sense 'shaped like a pantile'): from Latin imbricat- 'covered with roof tiles', from the verb imbricare, from imbrex, imbric- 'roof tile' (from imber 'shower of rain')