Pinnacle(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.
Pinnacle(n.) Anything resembling a pinnacle; a lofty peak; a pointed summit.
Pinnacle(v. t.) To build or furnish with a pinnacle or pinnacles.
Pinnacled(imp. & p. p.) of Pinnacle
Pinnacling(p. pr. & vb. n.) of Pinnacle

Words within pinnacling