noun
bubble wrap; air-cap packaging
Wasei-eigo from 'air cap'. Refers specifically to the plastic sheet with air bubbles used for cushioning in packages.
wasei-eigo (Japanese-coined English), from air cap
壊れ物を送るときは、エアキャップで包んでください。
When sending fragile items, please wrap them in bubble wrap.
noun
tire valve cap
A small cap that screws onto a tire's air valve to keep out dust and moisture.
自転車のタイヤのエアキャップがなくなっていた。
The air cap on my bicycle tire was missing.
noun
Air Cap (lawn mower brand)
A brand name for a lawn mower; not a generic term. Rarely encountered outside specific product contexts.
「エアキャップ」という名前の芝刈り機のブランドがある。
There is a lawn mower brand called 'Air Cap'.