PROMONTORY

promontory. Promontory, n. a headland, cape, high land, hill

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Prom″on‐to‐ry (?), n.; pl. Promontories (#). [[ L. promonturium, promunturium; pro before + mons, montis, mountain: cf. F. promontoire. See Mount, 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. 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.