Ram·a·dan /ˈrɑməˌdɑn, ˌrɑməˈ/
  回教歷的九月;上述之絕食
  Ram·a·dan n.  [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.
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  Ramadan
       n 1: the ninth month of the Islamic calendar; the month of
            fasting; the holiest period for the Islamic faith
       2: (Islam) a fast (held from sunrise to sunset) that is carried
          out during the Islamic month of Ramadan