(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.

plural of pinna

plural of pinna

Resembling a feather. / (botany) Having two rows of branches, lobes, leaflets, or veins arranged on each side of a common axis

The highest point. / (geology) A tall, sharp and craggy rock or mountain. / (figuratively) An all-time high; a point of greatest achievement or success.

(transitive) To place on a pinnacle. / (transitive) To build or furnish with a pinnacle or pinnacles.

(botany) pinnate with a pair of leaflets at the apex

(botany) pinnate with a single leaflets at the apex

(botany) pinnate with an even number of leaflets at the apex

(nautical) A light boat, traditionally propelled by sails, but sometimes a rowboat. Pinnaces are usually messenger boats, carrying messages among the larger ships of a fleet.