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The Collaborative International Dictionary
Sebastichthys rosaceus

Corsair \Cor"sair\ (k?r"s?r), n. [F. corsaire (cf. It. corsare, corsale, Pr. corsari), LL. corsarius, fr. L. cursus a running, course, whence Sp. corso cruise, corsa cruise, coasting voyage, corsear to cruise against the enemy, to pirate, corsario cruising, a privateer authorized to cruise against the enemy. See Course.]

  1. A pirate; one who cruises about without authorization from any government, to seize booty on sea or land.

  2. A piratical vessel.

    Barbary corsairs . . . infested the coast of the Mediterranean.
    --Prescott.

  3. (Zo["o]l.) A Californian market fish ( Sebastichthys rosaceus).