/ Dictionary / Index I Islamic calendar: Meaning and Definition of Find definitions for: Islam'ic cal'endar Pronunciation: [key] a calendar of 12 lunar months, each beginning with the new moon. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Islamabad Islamic Republic of Mauritania Related Content Daily Word Quiz: sequester Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language