in a season—
1. (also: at a season) at a certain time:
- He was made Minister of Labor in a season when the Government’s economic policy meant saying “no” to wage demands.
2. in the course of one season:
- These are the days of “long runs,” when but one or two plays can be produced in a season.
in season—
1. at the proper time for smth.:
- The people around me tell me in season and out of season that I look tired and that I have to go to bed.
2. (of animals and plants) in the best state for hunting, harvesting, or eating:
- The fish is in season as proved by the color of its fins.
3. (of a place) when most visited or frequented:
- From the first day of grouse to the last day of pheasants, London is never in season.