palmate Syllabification: (pal·mate)Pronunciation: /ˈpalˌmāt, ˈpä(l)-/Definition of palmate adjective 1 Botany (of a leaf) having several lobes (typically 5-7) whose midribs all radiate from one point. 2 Zoology (of an antler) in which the angles between the tines are partly filled in to form a broad flat surface, as in fallow deer and moose. Derivatives palmated adjective Origin: mid 18th century: from Latin palmatus, from palma 'palm' (see palm2)palmate in other Oxford dictionaries Definition of palmate in the British & World English dictionary