(1):

(n.) An annual church festival commemorating Christ's resurrection, and occurring on Sunday, the second day after Good Friday. It corresponds to the pasha or passover of the Jews, and most nations still give it this name under the various forms of pascha, pasque, paque, or pask.

(2):

(n.) The day on which the festival is observed; Easter day.

(3):

(v. i.) To veer to the east; - said of the wind.