- easterA Christian feast commemorating the resurrection of Jesus Christ. It is celebrated on the first Sunday (and Monday) following the full moon that occurs on or next after the vernal equinox, ranging in most of Western Christianity (such as Protestantism and Roman Catholicism) from March 22 to April 25, and in Eastern Christianity (such as the Coptic Church and Eastern Orthodox Church) from April 4 to May 8.
- Easter termSynonym of Paschal term (“the fourteenth day of the first lunar month of spring, formerly used in calculating dates”).