'Robber crab' definitions:

Definition of 'Robber crab'

From: GCIDE
  • Robber \Rob"ber\, n. One who robs; in law, one who feloniously takes goods or money from the person of another by violence or by putting him in fear. [1913 Webster]
  • Some roving robber calling to his fellows. --Milton. [1913 Webster]
  • Syn: Thief; depredator; despoiler; plunderer; pillager; rifler; brigang; freebooter; pirate. See Thief. [1913 Webster]
  • Robber crab. (Zool.) (a) A purse crab. (b) Any hermit crab.
  • Robber fly. (Zool.) Same as Hornet fly, under Hornet.
  • Robber gull (Zool.), a jager gull. [1913 Webster]