plural of feast day

A day on which a cruise ship remains at sea all day (i.e. passengers cannot leave the ship).

plural of Anzac Day

plural of D-Day

plural of day-tripper

Someone who takes a day trip.

Current; of the present. / (informal) Designating a present-day version of someone or something in history.

(idiomatic) An excursion, returning home on the same day.

(skiing) A day of skiing purchased in a ski area, used to measure the number of skiers in any one particular ski area. A season pass is generally considered to be twenty (20) skier days.

plural of leap day