reefer

Short definition from Wiktionary

Noun

1. 1
   Someone who reefs sails, especially a midshipman.
2. 2
   A reefer jacket; a close-fitting jacket or short coat of thick cloth.
3. 3
   A refrigerated, insulated trailer, ship or shipping container.
4. 4
   a refrigerator car (type of boxcar).
5. 5
   A marijuana cigarette.
6. 6
   Marijuana.