- the most important festival of the Christian Church, commemorating the Resurrection of Christ: falls on the Sunday following the first full moon after the vernal equinox
- Also called: Easter Sunday, Easter Day the day on which this festival is celebrated
- the period between Good Friday and Easter Monday
Related adjective(s): paschal
Etymology: Old English ēastre, after a Germanic goddess Eostre; related to Old High German ōstarūn Easter, Old Norse austr to the east, Old Slavonic ustru like summer