air cushion
noun
1
: an airtight inflatable cushion
2
: a mechanical device using confined air for arresting motion without shock
Word History
First Known Use
1807, in the meaning defined at sense 1
- blacknose dace
- blackout
- blackouts
- blackpoll
- blackpolls
- Blackpool
- blackpooles
- blackpools
- blackpot
- blacks
- blacks out
- Blacksburg
- blackseed
- blackseedes
- blackseeds
- Blackshirt
- blackshirts
- blackshop
- blackside darter
- blacksmith
- blacksmith shop
- blacksmith welding
- blacksmith's shop
- blacksmithery
- blacksmithing