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Webster 1913 Edition

(kr?b′b?r)

Noun.

One who catches crabs.

crabber ‎(plural crabbers)

A person who catches crabs.
- 1989, National Fisherman (volumes 70-71, page 26)
  Many shrimpers complain that the crabbers place their traps too close together and that they can't go between the traps without snagging their nets.
(nautical) A boat used for catching crabs.
- Ursula K. Le Guin, The Farthest Shore
  In the bright haze of morning they came into Hort Harbor, where a hundred craft were moored or setting forth: fishermen's boats, crabbers, trawlers, trading-ships, two galleys of twenty oars […]

a person who catches crabs

a boat used for catching crabs