can opener

Short definition from Wiktionary

Noun

1. 1
   A device used to open tin cans, usually by slicing the lid off.
2. 2
   A shoulder hit to the chest, usually accomplished while moving from a crouched to a standing position.
3. 3
   A tool for safe-cracking.
4. 4
   A ramming maneuver, that opens up the target ship like a tin can.
5. 5
   An anti-tank munition or attack vehicle, that opens up armour like a tin can.
6. 6
   Alternative form of can opener.