a. Bot. [f. BI- pref.2 3 + PALMATE, f. L. palma palm (of the hand).] Doubly or subordinately palmate: applied to compound leaves having a palmate arrangement on secondary petioles which are themselves palmately arranged on the primary petiole.
1864. in Webster.
1878. Masters, Henfrey’s Bot., 63. Bi- or tripalmate leaves are very rare (Araliaceæ).
