- field day - (military) a day for military exercises and display
--1 is a kind of day
- field day - a day for outdoor athletic competition
--2 is a kind of day
- field day - a time of unusual pleasure and success
--3 is a kind of time period, period of time, period
- field day, outing, picnic - a day devoted to an outdoor social gathering
--4 is a kind of vacation, holiday
- field day - a day for outdoor athletic competition