Cooled by air (such as an engine, rather than by other means such as water).

(usually in the plural) A two-handed gesture resembling quotation marks.

a public display of stunt flying, aerobatics, and historical aircraft.

(literally) Air that has been heated, especially so as to function as the lifting agent of a hot-air balloon. / (idiomatic) Empty, confused, or exaggerated talk lacking meaning or substance; bluster.

Vehicle suspension in which compressed air is used as a spring.

A mattress that is inflated with air, and used as a temporary or permanent bed.

A bed that is inflated with air and used as a permanent or temporary bed. They are adjustable, and sometimes portable.

Alternative letter-case form of air marshal (found when the term is used as a title).

Alternative letter-case form of air commodore (found when the term is used as a title).

Alternative spelling of air conditioner