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 ]