WordNet

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 candidates headquarters"; "the place had an aura of romance" (同)aura, atmosphere
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)
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" (同)airwave
the region above the ground; "her hand stopped in mid air"; "he threw the ball into the air"
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" (同)send, broadcast, beam, transmit
be broadcast; "This show will air Saturdays at 2 P.M."
give (hair) the appearance of being fuller by using a rat
a pad (usually made of hair) worn as part of a womans coiffure
any of various long-tailed rodents similar to but larger than a mouse
catch rats, especially with dogs
desert ones party or group of friends, for example, for ones personal advantage
employ scabs or strike breakers in
the relative magnitudes of two quantities (usually expressed as a quotient)
a short excursion (a walk or ride) in the open air; "he took the dogs for an airing"
an abnormal new mass of tissue that serves no purpose (同)tumour, neoplasm

PrepTutorEJDIC

〈U〉『空気』,大気 / 《the ~》『空中』,空間,空(sky) / 《古》〈C〉そよ風,微風(breeze) / 《文》〈C〉(音楽の)ふし,旋律(melody) / 〈C〉様子,態度,風さい / 《複数形で》気どった様子 / 〈衣服など〉'を'空気にさらす,風にあてる / 〈部屋〉‘に'風を通す / 〈うわさ・意見など〉'を'言いふらす
『ネズミ』 / ひきょう者,裏切り者 / ネズミをつかまえる / 《話》(人を)裏切る,密告する《+『on』+『名』〈人〉》
『比』,比率,『割合』;『比例』
空気にあてること,虫干し / 《単数形で》外出,散歩 / (知識・意見などの)公開,周知