[ ahd-n, eyd-n ]

  1. a seaport in and the economic capital of the Republic of Yemen, in the southern part: formerly the center of a British colony.

  2. Colony of Aden, a former British colony on the Gulf of Aden and a member of the former Federation of South Arabia. 75 sq. mi. (194 sq. km).: Also called State of Aden.

  1. Protectorate of Aden, former name, until 1962, of the former Protectorate of South Arabia.

  2. Gulf of Aden, an arm of the Arabian Sea between Arabia and the eastern tip of Africa.

Origin of Aden

First recorded in 1640–60; from Arabic ʿAdin, ʿAdan, perhaps ultimately from Akkadian edin(n)u “plain,” from Sumerian eden “plain, steppe”; see Eden1

Other definitions for aden- (2 of 2)


  1. variant of adeno- before a vowel: adenitis. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use Aden in a sentence

British Dictionary definitions for Aden


/ (ˈeɪdən) /

  1. the main port and commercial capital of Yemen, on the N coast of the Gulf of Aden, an arm of the Indian Ocean at the entrance to the Red Sea: capital of South Yemen until 1990: formerly an important port of call on shipping routes to the East. Pop: 584 000 (2005 est)

  2. a former British colony and protectorate on the S coast of the Arabian Peninsula: became part of South Yemen in 1967, now part of Yemen. Area: 195 sq km (75 sq miles)

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

Cultural definitions for Aden


[ (ah-dn, ay-dn) ]

Capital and chief port of Yemen, located on the Gulf of Aden, near the southwest corner of the Arabian Peninsula and the southern entrance of the Red Sea.

Notes for Aden

Its strategic location and excellent harbor have made Aden an important trading center of southern Arabia since ancient times, as well as a coveted conquest.

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.