nailgunnail‧gun /ˈneɪlɡʌn/ noun [countable] 
a tool that uses air to shoot nails into wood
a tool that uses air to shoot nails into wood- world record
- world-record
- World Series
- World Service
- World Trade Center
- World Trade Organization
- world view
- world war
- World War I
- World War II
- world-weariness
- world-weary
- worldwide
- World Wide Fund for Nature
- World Wide Web
- WORM
- worm
- worm-eaten
- wormhole
- wormwood
- Wormwood Scrubs
- wormy
- worn
- worn out
- worried