a. [ Pref. bi- + pinnatifid. ] (Bot.) Doubly pinnatifid. [ 1913 Webster ]
A bipinnatifid leaf is a pinnatifid leaf having its segments or divisions also pinnatifid. The primary divisions are pinnæ and the secondary pinnules. [ 1913 Webster ]
a. [ L. impar unequal + E. pinnate. ] (Bot.) Pinnate with a single terminal leaflet. [ 1913 Webster ]
adj. (Bot.) Pinnate with a single leaflet at the apex; -- of a leaf shape.
a. [ Pari- + pinnate. ] (Bot.) Pinnate with an equal number of leaflets on each side; having no odd leaflet at the end. [ 1913 Webster ]
Pinnated grouse (Zool.),
adv. In a pinnate manner. [ 1913 Webster ]
a. [ L. pinnatus feathered + root of findere to split: cf. F. pinnatifide. ] (Bot.) Divided in a pinnate manner, with the divisions not reaching to the midrib. [ 1913 Webster ]
a. [ See Pinnate, and Lobate. ] (Bot.) Having lobes arranged in a pinnate manner. [ 1913 Webster ]
a. [ L. pinnatus feathered + pes, pedis foot: cf. F. pinnatipède. ] (Zool.) Having the toes bordered by membranes; fin-footed, as certain birds. [ 1913 Webster ]
n. (Zool.) Any bird which has the toes bordered by membranes. [ 1913 Webster ]
a. [ Pref. tri- + pinnate. ] (Bot.) Having bipinnate leaflets arranged on each side of a rhachis. [ 1913 Webster ]
a. [ Pref. tri- + pinnatifid. ] (Bot.) Thrice pinnately cleft; -- said of a pinnatifid leaf when its segments are pinnatifid, and the subdivisions of these also are pinnatifid. [ 1913 Webster ]