sai·son 
(sā-zŏn, -zôn, sĕ-zôɴ)
(sā-zŏn, -zôn, sĕ-zôɴ)n.
A medium-bodied ale of Belgian origin, often having a slightly fruity flavor and a cloudy appearance.
[French, from saison, season (in reference to the fact that such beers were usually brewed in farmhouses in the winter brewing season for consumption in the summer by les saisonniers, the seasonal farm workers), from Old French saison, seison; see SEASON.]