2. (Bot.) Spreading from the apex of a petiole, as the
divisions of a leaf, or leaflets, so as to resemble the
hand with outspread fingers. --Gray.
3. (Zo["o]l.)
(a) Having the anterior toes united by a web, as in most
swimming birds; webbed. See Illust. (i) under {Aves}.
(b) Having the distal portion broad, flat, and more or
less divided into lobes; -- said of certain corals,
antlers, etc.