1. One of the divisions of the year, marked by alternations in the length of day and night, or by distinct conditions of temperature, moisture, etc, caused mainly by the relative position of the earth with respect to the sun. In the north temperate zone, four seasons, namely, spring, summer, autumn, and winter, are generally recognised. Some parts of the world have three seasons, the dry, the rainy, and the cold; other parts have but two, the dry and the rainy. The several seasons of the year in their beauty. (Addison)
2. Hence, a period of time, especially as regards its fitness for anything contemplated or done; a suitable or convenient time; proper conjuncture; as, the season for planting; the season for rest. The season, prime for sweetest scents and airs. (milton)
4. That which gives relish; seasoning. You lack the season of all natures, sleep. (Shak) In season, in good time, or sufficiently early for the purpose. Out of season, beyond or out of the proper time of the usual or appointed time.
Origin: OE. Sesoun, F. Saison, properly, the sowing time, fr. L. Satio a sowing, a planting, fr. Serere, satum, to sow, plant; akin to E. Sow, v, to scatter, as seed.