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noun
1.
Architecture. wash (def 44).
2.
material used as a weather strip.
3.
Geology. the various mechanical and chemical processes that cause exposed rock to decompose.
Compare chemical weathering, mechanical weathering.
noun
1.
the state of the atmosphere with respect to wind, temperature, cloudiness, moisture, pressure, etc.
2.
a strong wind or storm or strong winds and storms collectively:
We’ve had some real weather this spring.
3.
a weathercast:
The radio announcer will read the weather right after the commercial.
4.
Usually, weathers. changes or vicissitudes in one’s lot or fortunes:
She remained a good friend in all weathers.
verb (used with object)
5.
to expose to the weather; dry, season, or otherwise affect by exposure to the air or atmosphere:
to weather lumber before marketing it.
6.
to discolor, disintegrate, or affect injuriously, as by the effects of weather:
These crumbling stones have been weathered by the centuries.
7.
to bear up against and come safely through (a storm, danger, trouble, etc.):
to weather a severe illness.
8.
Nautical. (of a ship, mariner, etc.) to pass or sail to the windward of:
to weather a cape.
9.
Architecture. to cause to slope, so as to shed water.
verb (used without object)
10.
to undergo change, especially discoloration or disintegration, as the result of exposure to atmospheric conditions.
11.
to endure or resist exposure to the weather:
a coat that weathers well.
12.
to go or come safely through a storm, danger, trouble, etc. (usually followed by through):
It was a difficult time for her, but she weathered through beautifully.
Idioms
13.
under the weather, Informal.

somewhat indisposed; ailing; ill.
suffering from a hangover.
more or less drunk:
Many fatal accidents are caused by drivers who are under the weather.

noun
1.
the mechanical and chemical breakdown of rocks by the action of rain, snow, cold, etc
noun
1.

the day-to-day meteorological conditions, esp temperature, cloudiness, and rainfall, affecting a specific place Compare climate (sense 1)
(modifier) relating to the forecasting of weather: a weather ship

2.
a prevailing state or condition
3.
make heavy weather

(of a vessel) to roll and pitch in heavy seas
(foll by of) to carry out with great difficulty or unnecessarily great effort

4.
(informal) under the weather

not in good health
intoxicated

adjective
5.
(prenominal) on or at the side or part towards the wind; windward: the weather anchor Compare lee (sense 4)
verb
6.
to expose or be exposed to the action of the weather
7.
to undergo or cause to undergo changes, such as discoloration, due to the action of the weather
8.
(intransitive) to withstand the action of the weather
9.
when intr, foll by through. to endure (a crisis, danger, etc)
10.
(transitive) to slope (a surface, such as a roof, sill, etc) so as to throw rainwater clear
11.
(transitive) to sail to the windward of: to weather a point
weathering
(wě’ər-ĭng)
Any of the chemical or mechanical processes by which rocks exposed to the weather undergo chemical decomposition and physical disintegration. Although weathering usually occurs at the Earth’s surface, it can also occur at significant depths, for example through the percolation of groundwater through fractures in bedrock. It usually results in changes in the color, texture, composition, or hardness of the affected rocks.
weather
(wě’ər)
The state of the atmosphere at a particular time and place. Weather is described in terms of variable conditions such as temperature, humidity, wind velocity, precipitation, and barometric pressure. Weather on Earth occurs primarily in the troposphere, or lower atmosphere, and is driven by energy from the Sun and the rotation of the Earth. The average weather conditions of a region over time are used to define a region’s climate.

weathering definition

The process by which rocks are broken down into small grains and soil. Weathering can happen through rainfall, ice formation, or the action of living things, such as algae and plant roots. It is part of the geological cycle.

weather definition

The daily conditions of the atmosphere in terms of temperature, atmospheric pressure, wind, and moisture.