pinnate

adjective

pin·​nate ˈpi-ˌnāt 

: 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

pinnately adverb

Word History

Etymology

New Latin pinnatus, from Latin, feathered, from pinna feather, wing, fin

First Known Use

1687, in the meaning defined above

Phrases Containing pinnate

• odd-pinnate

Kids Definition

pinnate

adjective

pin·​nate ˈpin-ˌāt 

: resembling a feather especially in having similar parts arranged on opposite sides of a long thin central part like a stem

a pinnate leaf

pinnately adverb