adv. or adj. phr. 1. literary At the proper or best time. Fred's father told him that he was not old enough yet but that he would learn to drive in season. 2a. At the right or lawful time for hunting or catching. Deer will be in season next week. In spring we'll go fishing when trout are in season. 2b. At the right time or condition for using, eating, or marketing; in a ripe or eatable condition. Christmas trees will be sold at the store in season. Native tomatoes will be in season soon. Oysters are in season during the "R" months.
Compare: IN GOOD TIME.
Antonym: OUT OF SEASON.