promontory(redirected from promontory of the sacrum)
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1. a high point of land, esp of rocky coast, that juts out into the sea
2. Anatomy any of various projecting structures
A high, prominent projection or point of land, or a rock cliff, jutting out boldly into a body of water.
A cape, either low-lying or of considerable height, with a bold termination.
A bluff or prominent hill overlooking or projecting into a lowland.