| Promontory 1. (n.) A high point of land projecting into the sea beyond the line of coast; a headland; a high cape. 2. (n.) 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. Thesaurus Entries beak, bill, breakwater, cape, chersonese, coral reef, delta, foreland, head, headland, hook, mull, naze, ness, peninsula, point, reef, sandspit, spit, spur, tongue |