pinnate
/pɪnˈneɪt/ adjective
- adjective Resembling a feather.
- adjective (botany) Having two rows of branches, lobes, leaflets, or veins arranged on each side of a common axis “Mimosa is a tree with pinnate leaves.”
- adjective (zoology) Having a winglike tuft of long feathers on each side of the neck. “the pinnate grouse, or prairie chicken”
- adjective (zoology) Having wings or fins.
Synonyms
Etymology
From Latin pinnātus (“feathered”), from pinna (“feather”).
Webster’s 1913
- adjective Consisting of several leaflets, or separate portions, arranged on each side of a common petiole, as the leaves of a rosebush, a hickory, or an ash. See Abruptly pinnate, and Illust., under Abruptly.
- adjective Having a winglike tuft of long feathers on each side of the neck. Pinnated grouse (Zoöl.), the prairie chicken.
Etymology [L. pinnatus feathered, fr. pinna a feather. See Pin a peg, Pen feather.]
Sources: Wiktionary · Webster’s 1913 — from the Wiktionary entry “pinnate”, CC BY-SA 4.0. Details