a distinctive but intangible quality surrounding a person or thing; "an air of mystery"; "the house had a neglected air"; "an atmosphere of defeat pervaded the candidate's headquarters"; "the place had an aura of romance"
medium for radio and television broadcasting; "the program was on the air from 9 til midnight"; "the president used the airwaves to take his message to the people"
the region above the ground; "her hand stopped in mid air"; "he threw the ball into the air"
a mixture of gases (especially oxygen) required for breathing; the stuff that the wind consists of; "air pollution"; "a smell of chemicals in the air"; "open a window and let in some air"; "I need some fresh air"
once thought to be one of four elements composing the universe (Empedocles)
expose to warm or heated air, so as to dry; "Air linen"
broadcast over the airwaves, as in radio or television; "We cannot air this X-rated song"
be broadcast; "This show will air Saturdays at 2 P.M."
a line or route along which something travels or moves; "the hurricane demolished houses in its path"; "the track of an animal"; "the course of the river"
having the function of uniting a group of similar things; "the Democratic Party is an umbrella for many liberal groups"; "under the umbrella of capitalism"
a formation of military planes maintained over ground operations or targets; "an air umbrella over England"
a lightweight handheld collapsible canopy
covering or applying simultaneously to a number of similar items or elements or groups; "an umbrella organization"; "umbrella insurance coverage"