adj.
Pronunciation: ' pi- ˌ n ā t
Function: adjective
Etymology: New Latin pinnatus, from Latin, feathered, from pinna feather, wing, fin
Date: circa 1727
: resembling a feather especially in having similar parts arranged on opposite sides of an axis like the barbs on the rachis of a feather <a pinnate leaf> ― see LEAF illustration
– pin · nate · ly adverb