Easter

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A Christian feast commemorating the Resurrection of Jesus.
• noun The day on which this feast is observed, the first Sunday following the full moon that occurs on or next after March 21.
• noun Eastertide.

from The Century Dictionary.

• Eastern; easterly.
• To change toward the east, as the wind; move toward the east, as the head of a vessel.
• noun A festival observed in the Christian church, from early times, in commemoration of the resurrection of Jesus Christ.
• Of or pertaining to Easter.
• In the English universities, a term held in the spring and lasting for about six weeks after Easter.

from the GNU version of the Collaborative International Dictionary of English.

• intransitive verb (Naut.) To veer to the east; -- said of the wind.
• noun An annual church festival commemorating Christ's resurrection, and occurring on Sunday, the second day after Good Friday. It corresponds to the pascha or passover of the Jews, and most nations still give it this name under the various forms of pascha, pasque, pâque, or pask.
• noun The day on which the festival is observed; Easter day.
• noun (Ch. of Eng.) money due to the clergy at Easter, formerly paid in communication of the tithe for personal labor and subject to exaction. For Easter dues, Easter offerings, voluntary gifts, have been substituted.
• noun An imitation of an egg, in sugar or some fine material, sometimes made to serve as a box for jewelry or the like, used as an Easter present.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun Christianity A Christian feast commemorating the resurrection of Christ; the first Sunday following the full moon that occurs on or next after the vernal equinox, neither earlier than March 22 nor later than April 25.
• noun Eastertide
• noun obsolete The Jewish passover.
• noun paganism A festival held in honour of the goddess Eostre or Ostara and celebrated at the spring equinox or within the month of April. Also known as Eostre.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a Christian celebration of the Resurrection of Christ; celebrated on the Sunday following the first full moon after the vernal equinox
• noun a wind from the east