[ prom-uhn-tawr-ee, -tohr-ee ]
See synonyms for promontory on
noun,plural prom·on·to·ries.
  1. a high point of land or rock projecting into the sea or other water beyond the line of coast; a headland.

  2. a bluff, or part of a plateau, overlooking a lowland.

  1. Anatomy. a prominent or protuberant part.

Origin of promontory

First recorded in 1540–50, promontory is from the Latin word prōmontorium, prōmunturium, of unclear derivation

Words that may be confused with promontory

Words Nearby promontory Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use promontory in a sentence

British Dictionary definitions for promontory


/ (ˈprɒməntərɪ, -trɪ) /

nounplural -ries
  1. a high point of land, esp of rocky coast, that juts out into the sea

  2. anatomy any of various projecting structures

Origin of promontory

C16: from Latin prōmunturium headland; related to prōminēre; see prominent

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for promontory


[ prŏmən-tôr′ē ]

  1. A high ridge of land or a rock cliff jutting out into a body of water.

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.