- (n.) An architectural member, upright, and generally ending in a small spire, -- used to finish a buttress, to constitute a part in a proportion, as where pinnacles flank a gable or spire, and the like. Pinnacles may be considered primarily as added weight, where it is necessary to resist the thrust of an arch, etc.
- (n.) Anything resembling a pinnacle; a lofty peak; a pointed summit.
- (v.t.) To build or furnish with a pinnacle or pinnacles.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). pinnacle. Retrieved September 20, 2026, from http://smartdefine.org/pinnacle/definitions/2045708 |
| Chicago | Webster's. 2011. "pinnacle" http://smartdefine.org/pinnacle/definitions/2045708 (accessed September 20, 2026). |
| Harvard | Webster's 2011, pinnacle, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/pinnacle/definitions/2045708>. |
| MLA | Webster's. "pinnacle" 27 May 2011. Web. 20 September 2026. <http://smartdefine.org/pinnacle/definitions/2045708> |