|Origin:||saison, from Latin satio 'act of planting seeds', from serere 'to sow'|
one of the main periods into which a year is divided, which each have a particular type of weather. In the west, the seasons are spring, summer, autumn, and winter:
time of year[countable]TMC
the effect on plants as the seasons change
a period of time in a year during which a particular activity takes place, or during which something usually happens:
usual time for something[countable usually singular]TMC
the first game of the season
the football/cricket etc season
the end of the football season
the racing/fishing/hunting etc season
The racing season starts in June.
Some footpaths are closed during the shooting season.
out of season (=when an activity is not allowed)
He was caught fishing out of season.
The season for strawberries (=when they are available to buy) usually starts in early June.
the rainy/wet/dry season (=the time when it rains a lot or does not rain at all)
African rivers turn to hard mud during the dry season.
the growing/planting etc season
The planting season is in spring, with harvest in the fall.
the time of the year when most people take their holidays
high/peak season (=the busiest part of this time)
There are two boat trips a day, more in high season.
low/off season (=the least busy part of this time)
An off-season break costs £114.
out of season
It's quieter out of season.
holiday season British English /tourist season
We arrived at the height of the tourist season (=the busiest time).
the holiday season American English (=Thanksgiving to New Year, including Christmas, Hanukkah etc)
the festive season British English (=Christmas and New Year)
the time in each year when new styles of clothes, hair etc are produced and become fashionable:
This season's look is fresh and natural.
vegetables and fruit that are in season are cheap and easily available because it is the time of year when they are ready to eat. If they are out of season, they are expensive or not available:
Vine tomatoes are in season from April to October.
a series of films, plays, television programmes etc that are shown during a particular period of time
films, plays etc[countable usually singular]AMT
a new season of comedy on BBC 1
summer/fall etc season
The network has several new dramas lined up for the fall season.
Glyndebourne's season opens with a performance of Tosca.
the time of the year when animals are ready to have sex
Their dog was coming into season.
used on cards to tell someone you hope they have a happy Christmas, Hanukkah etc
the time around Christmas