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PINNA
auricle, pinna, ear
(noun) the externally visible cartilaginous structure of the external ear
pinna, pinnule
(noun) division of a usually pinnately divided leaf
Source: WordNet® 3.1
Etymology
Noun
pinna (plural pinnas or pinnae)
(anatomy) The visible part of the ear that resides outside of the head, the auricle; outer ear excluding the ear canal.
(botany) A leaflet or primary segment of a pinnate compound leaf.
(zoology) A feather, wing, fin, or other similar appendage.
Anagrams
• PanIN, panni
Source: Wiktionary
Pin"na, n.; pl. Pinnæ, E. Pinnas. Etym: [L., a feather.]
1. (Bot.) (a) A leaflet of a pinnate leaf. See Illust. of Bipinnate leaf, under Bipinnate. (b) One of the primary divisions of a decompound leaf.
2. (Zoöl.)
Definition: One of the divisions of a pinnate part or organ.
3. Etym: [L. pinna, akin to Gr. (Zoöl.)
Definition: Any species of Pinna, a genus of large bivalve mollusks found in all warm seas. The byssus consists of a large number of long, silky fibers, which have been used in manufacturing woven fabrics, as a curiosity.
4. (Anat.)
Definition: The auricle of the ear. See Ear.
Source: Webster’s Unabridged Dictionary 1913 Edition
Recent Word Finds
Word of the Day
23 January 2025
LEFT
(adjective) being or located on or directed toward the side of the body to the west when facing north; “my left hand”; “left center field”; “the left bank of a river is bank on your left side when you are facing downstream”
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