Main Entry:

¹pin·na·cle

Pronunciation:

\ˈpi-ni-kəl\

Function:

noun

Etymology:

Middle English pinacle, from Anglo-French, from Late Latin pinnaculum small wing, gable, from Latin pinna wing, battlement

Date:

14th century

1: an upright architectural member generally ending in a small spire and used especially in Gothic construction to give weight especially to a buttress2: a structure or formation suggesting a pinnacle ; specifically : a lofty peak3: the highest point of development or achievement : acme

synonyms see summit

[pinnacle illustration]