Mov·a·ble a.
 1. Capable of being moved, lifted, carried, drawn, turned, or conveyed, or in any way made to change place or posture; susceptible of motion; not fixed or stationary; as, a movable steam engine. [Also spelled moveable.]
 Syn: -- transferable, transferrable, transportable.
 2. Changing from one time to another; as, movable feasts, i. e., church festivals, the date of which varies from year to year.
 Movable letter Heb. Gram., a letter that is pronounced, as opposed to one that is quiescent.
 Movable feast Ecclesiastical, a holy day that changes date, depending on the lunar cycle.  An example of such a day is Easter.
 Feast n.
 1. A festival; a holiday; a solemn, or more commonly, a joyous, anniversary.
    The seventh day shall be a feast to the Lord.   --Ex. xiii. 6.
    Now his parents went to Jerusalem every year at the feast of the passover.   --Luke ii. 41.
 Note: ☞ An Ecclesiastical feast is called a immovable feast when it always occurs on the same day of the year; otherwise it is called a movable feast.  Easter is a notable movable feast.
 2. A festive or joyous meal; a grand, ceremonious, or sumptuous entertainment, of which many guests partake; a banquet characterized by tempting variety and abundance of food.
    Enough is as good as a feast.   --Old Proverb.
    Belshazzar the King made a great feast to a thousand of his lords.   --Dan. v. 1.
 3. That which is partaken of, or shared in, with delight; something highly agreeable; entertainment.
    The feast of reason, and the flow of soul.   --Pope.
 Feast day, a holiday; a day set as a solemn commemorative festival.
 Syn: -- Entertainment; regale; banquet; treat; carousal; festivity; festival.
 Usage: -- Feast, Banquet, Festival, Carousal. A feast sets before us viands superior in quantity, variety, and abundance; a banquet is a luxurious feast; a festival is the joyful celebration by good cheer of some agreeable event. Carousal is unrestrained indulgence in frolic and drink.
 movable feast
      n : a religious holiday that falls on different dates in
          different years [syn: moveable feast]