|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)|
Variant of adeno-.
Note: 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.