Definition of PINNA

pinna

Meanings

Plural: pinnae, pinnas

Noun

  • division of a usually pinnately divided leaf
  • the externally visible cartilaginous structure of the external ear
  • The visible part of the ear in most therians that resides outside of the head, the auricle; outer ear excluding the ear canal.
  • A leaflet or primary segment of a pinnate compound leaf.
  • A feather, wing, fin, or other similar appendage.

Origin / Etymology

From Latin pinna (“dorsal fin; wing, feather”). Doublet of pen, penna, and panne.

Synonyms

auricle, ear, pinnule

Scrabble Score: 7

pinna is a valid Scrabble (US) TWL word
pinna is a valid Scrabble Word in Merriam-Webster MW Dictionary
pinna is a valid Scrabble Word in International Collins CSW Dictionary

Words With Friends Score: 10

pinna is a valid Words With Friends word