noun

1. the general condition of the atmosphere at a particular time and place, with regard to the temperature, moisture, cloudiness, etc.
2. disagreeable or harmful atmospheric conditions; storm, rain, etc. protected against the weather

Etymology: ME weder < OE, akin to ON vethr, Ger wetter < IE base *we-, *awe-, to blow > wind, OSlav vedro, fair weather

transitive verb

1. to expose to the action of weather or atmosphere, as for airing, drying or seasoning
2. to wear away, discolor, disintegrate, or otherwise change for the worse by exposure to the atmosphere
3. to pass through safely or survive to weather a storm
4. to slope (masonry, cornices, sills, etc.) so as to allow water to run off
5. Naut. to pass to the windward of (a cape, reef, etc.)

intransitive verb

1. to become discolored, disintegrated, etc. by exposure to the weather or atmosphere
2. to endure such exposure in a specified manner canvas that weathers well

adjective

1. designating or of the side of a ship, etc. toward the wind; windward
2. exposed to the elements weather deck