n. pl. prom·on·to·ries
1. A high ridge of land or rock jutting out into a body of water; a headland.
2. Anatomy A projecting part.
[Latin prōmontorium, alteration (influenced by mōns, mont-, mount) of prōmunturium, probably from prōminēre, to jut out; see PROMINENT.]
(click for a larger image)promontory
Cape Point promontory
Cape Town, South Africa
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2019 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.