air

Dictionary definition · air

a mixture of gases (especially oxygen) required for breathing; the stuff that the wind consists of"air pollution"
the region above the ground"her hand stopped in mid air"
a distinctive but intangible quality surrounding a person or thing"an air of mystery"
a slight wind (usually refreshing)"the breeze was cooled by the lake"
the mass of air surrounding the Earth"there was great heat as the comet entered the atmosphere"
once thought to be one of four elements composing the universe (Empedocles), associated with the humour blood

expose to fresh air"aerate your old sneakers"
be broadcast"This show will air Saturdays at 2 P.M."
broadcast over the airwaves, as in radio or television"We cannot air this X-rated song"
make public"She aired her opinions on welfare"
expose to warm or heated air, so as to dry"Air linen"
expose to cool or cold air so as to cool or freshen"air the old winter clothes"

Source: Open English WordNet (CC BY 4.0).