An archaic name for Easter or Passover

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Easter \Eas"ter\ ([=e]s"t[~e]r), n. [AS. e['a]ster, e['a]stran, paschal feast, Easter; akin to G. ostern; fr. AS. E['a]stre, a goddess of light or spring, in honor of whom a festival was celebrated in April; whence this month was called in ...

Wikipedia Word definitions in Wikipedia
Pascha may refer to: Easter , central religious feast in the Christian liturgical year Paskha , an Easter dish served in several Slavic countries Paska (bread) , an Easter bread served in Ukraine Passover , a Latinized spelling of the Hebrew word Pesah ...