Pinnate

• POS: Adjective
• HYPHEN: pin=nate

CIDE DICTIONARY

Pinnate, a. [L. pinnatus feathered, fr. pinna a feather. See Pin a peg, Pen feather.].

•  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.  [1913 Webster]
•  Having a winglike tuft of long feathers on each side of the neck.  [1913 Webster]

Pinnated grouse (Zoöl.), the prairie chicken.

OXFORD DICTIONARY

Pinnate, adj.
1 (of a compound leaf) having leaflets arranged on either side of the stem, usu. in pairs opposite each other.
2 having branches, tentacles, etc., on each side of an axis.

Derivative

pinnated adj. pinnately adv. pinnation n.

Etymology

L pinnatus feathered (as PINNA)