Meanings

staying in the air

sky on New Year's morning

empty words

aerial inspection

putting on a brave face

aerial refueling

air-raid

flat broke

air-borne infection

air bath

weather

short selling

embossing

cold, strong, dry wind

bluffing

feeling ashamed or embarrassed without knowing why

(Self Defense Force's Air Force) captain (defence)

steaming (of food)

vacant lot or land

virtual space (e.g. in computer graphics)