(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

simple past tense and past participle of pinnacle

Having one or more pinnacles.

present participle of pinnacle

Suitable for having things pinned onto it. / (computing, graphical user interface) Capable of being pinned (attached to part of the screen display).

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.

(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.