breaker

Short definition from Wiktionary

Noun

1. 1
   Something that breaks (something else).
2. 2
   A machine for breaking rocks, or for breaking coal at the mines.
3. 3
   The building in which such a machine is placed.
4. 4
   A person or company that specializes in breaking things; their yard: Ellipsis of shipbreaker, a shipbreaking company or its yard.
5. 5
   A person or company that specializes in breaking things; their yard: Ellipsis of car breaker, a car breaking company or its yard.
6. 6
   A person or company that specializes in breaking things; their yard: Ellipsis of horsebreaker.
7. 7
   A wave breaking into foam against the shore, or against a sandbank, or a rock or reef near the surface, considered a useful warning to ships of an underwater hazard
8. 8
   A breakdancer.
9. 9
   A user of CB radio.
10. 10
    Ellipsis of circuit breaker.
11. 11
    A small cask of liquid kept permanently in a ship’s boat in case of shipwreck.

Interjection

1. 1
   Used to open a conversation or call for a response on CB radio.