Definitionen
1.NounThe highest point.
2.NounA tall, sharp and craggy rock or mountain.
3.NounAn all-time high; a point of greatest achievement or success.
4.NounAn upright member, 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.
5.VerbTo place on a pinnacle.
6.VerbTo build or furnish with a pinnacle or pinnacles.