noun.
A loose, usually black robe worn by Muslim women, especially in Arabic-speaking regions, covering the body from head to toe or the neck down and often worn with a headscarf and veil.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
(Arabic) a loose black robe from head to toe; traditionally worn by Muslim women
Word Usage
"A small minority of Muslim women in certain parts of the world wear what is known as the abaya (black cloak) and the niqab (face veil)."