Meanings

space complexity

large space

cyberspace

air flow

kūdō (martial art form)

sky aglow with the setting sun

boxed lunch sold at airports

empty triangle

dead card (comp. karuta)

air purifier

open skirt

(aircraft) pilotage

auxiliary air bag (balloon, etc.)

pneumatic controller

Bumald bladdernut (Staphylea bumalda)

vacant store

(anti-aircraft) searchlight

certificate of airworthiness

spatial audio

feigned sleep