Webster’s Revised Unabridged Dictionary · 1913
Ramadan
Ram′a·dan′ (răm′ȧ·dăn′), n. [Ar. ramaḍān, or ramazān, properly, the hot month.] [Written also Ramadhan, Ramadzan, and Rhamadan.] 1. The ninth Mohammedan month.
2. The great annual fast of the Mohammedans, kept during daylight through the ninth month.