Definition of play-day in US English:

play-day

noun

  • 1A day given over to festivity, recreation, or play; a holiday. Formerly also (Scottish): †a school holiday (obsolete).

  • 2Theatre. A day on which a play is performed.

Origin

Mid 16th century. From play + day.

Pronunciation

play-day

/ˈpleɪdeɪ/