Trī'pin-na-tif'id, a.
a. [Lat. prefix tri, q. v., pinna, plume, and findere, to divide.] Thrice pinnately cleft; — said of a pinnatifid leaf when its segments are pinnatifid, and the subdivisions of these also are pinnatifid.
a. [Lat. prefix tri, q. v., pinna, plume, and findere, to divide.] Thrice pinnately cleft; — said of a pinnatifid leaf when its segments are pinnatifid, and the subdivisions of these also are pinnatifid.