A tall, sharp and craggy rock or mountain.
An 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.
The highest point.
Coordinate term: sea stack
An all-time high; a point of greatest achievement or success.
To place on a pinnacle.
To build or furnish with a pinnacle or pinnacles.
An overhanging rock wall.
The external covering at the top of a building.
The top external level of a building.
The upper part of a cavity.
The surface or bed of rock immediately overlying a bed of coal or a flat vein.
To cover or furnish with a roof.
To traverse buildings by walking or climbing across their roofs.
To put into prison, to bird.
To shelter as if under a roof.