from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Architecture A small turret or spire on a roof or buttress.
- n. A tall pointed formation, such as a mountain peak.
- n. The highest point; the culmination. See Synonyms at summit.
- transitive v. To furnish with a pinnacle.
- transitive v. To place on or as if on a pinnacle.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The highest point.
- n. A tall, sharp and craggy rock or mountain.
- n. An all-time high; a point of greatest achievement or success.
- v. to put something on a pinnacle
- v. to build or furnish with a pinnacle or pinnacles
from the GNU version of the Collaborative International Dictionary of English
- 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.
- transitive v. To build or furnish with a pinnacle or pinnacles.
from The Century Dictionary and Cyclopedia
- n. A sharp point or peak; the very topmost point, as of a mountain.
- n. In architecture, any relatively small structure (of whatever form, but commonly terminating in a cone or a pyramid) that rises above the roof or coping of a building, or caps a projecting architectural member, such as a buttress.
- To put a pinnacle or pinnacles on; furnish with a pinnacle or pinnacles.
- To place on or as on a pinnacle.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the highest level or degree attainable; the highest stage of development
- n. (architecture) a slender upright spire at the top of a buttress of tower
- n. a lofty peak
- v. raise on or as if on a pinnacle
- v. surmount with a pinnacle
Middle English, from Old French, from Late Latin pinnāculum, diminutive of Latin pinna, feather.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Middle English, from Old French pinacle, pinnacle, from Late Latin pinnaculum ("a peak, pinnacle"), double diminutive of Latin pinna ("a pinnacle"); see pin. (Wiktionary)