- The definition of a promontory is a high elevation or point of land that extends out into the water.
A high, rocky area that extends off of the coastline and into the Atlantic ocean is an example of a promontory.
promontory definition by Webster's New World
- a peak of high land that juts out into a body of water; headland
- Anat. a prominent part
Origin: Late Latin promontorium ; from Classical Latin promunturium, probably altered (infl. by mons, mount) ; from prominere: see prominent
promontory definition by American Heritage Dictionary
noun pl. prom·on·to·ries
- A high ridge of land or rock jutting out into a body of water; a headland.
- Anatomy A projecting part.
Origin: Latin prōmontorium, alteration (influenced by mōns, mont-, mount) of prōmunturium, probably from prominēre, to jut out; see prominent.
promontory - Medical Definition
promontory - Science Definition