I. ˈpi-ni-kəl 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 buttress
2. : a structure or formation suggesting a pinnacle ; specifically : a lofty peak
3. : the highest point of development or achievement : acme
Synonyms: see summit
[
1 pinnacle 1
]
II. transitive verb
( -cled ; pin·na·cling -k(ə-)liŋ)
Date: 14th century
1. : to surmount with a pinnacle
2. : to raise or rear on a pinnacle