hi·jab (h?-jäb?)n.1. Any of several cloth head coverings worn by Muslim women.2. The veiling of women in some Islamic societies, customarily practiced in order to maintain standards of modesty.[Arabic ?ij?b, cover, curtain, veil, from ?ajaba, to cover; see ?gb in Semitic roots.]American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.hijab (h??d?æb; h??d???b) or hejabn1. (Islam) a covering for the head and face, worn by Muslim women2. (Clothing & Fashion) a covering for the head and face, worn by Muslim women[from Arabic, literally: curtain]Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014