Promontory

n.	1.
	1.	(Phys. Geog.) A high point of land or rock projecting into the sea beyond the line of coast; a headland; a high cape. Like one that stands upon a promontory. - Shak.
	2.	(Anat.) A projecting part. Especially: (a) The projecting angle of the ventral side of the sacrum where it joins the last lumbar vertebra. (b) A prominence on the inner wall of the tympanum of the ear.

Noun

1.

promontory - a natural elevation (especially a rocky one that juts out into the sea) Synonyms: foreland, headland

beak, bill, breakwater, cape, chersonese, coral reef, delta, foreland, head, headland, hook, mull, naze, ness, peninsula, point, reef, sandspit, spit, spur, tongue