1. Airtight sealed metal container for food, drink or paint etc.
   "He opened a tin can of soup for lunch";
   - can, tin
    
2. [informal] A small fast lightly armoured but heavily armed warship
   "The tin can patrolled the coastline";
   - destroyer, guided missile destroyer

Derived forms: tin cans

Type of: combat ship, container, war vessel, warship

Encyclopedia: Tin can