Shark /(shärk)/

Shark

n.
  1. Any one of numerous species of elasmobranch fishes of the order Plagiostomi, found in all seas. (Zool.)
  2. A rapacious, artful person; a sharper. [Colloq.]
  3. Trickery; fraud; petty rapine; as, to live upon the shark. [Obs.]

Phrases & Compounds
Basking shark
See under Basking, Liver, etc. See also Dogfish, Houndfish, Notidanian, and Tope.
Gray shark
the sand shark.
Hammer-headed shark
See Hammerhead.
Port Jackson shark
See Cestraciont.
Shark barrow
the eggcase of a shark; a sea purse.
Shark ray
Same as Angel fish (a), under Angel.
Thrasher shark
a large, voracious shark. See Thrasher.
Whale shark
a huge harmless shark (Rhinodon typicus) of the Indian Ocean. It becomes sixty feet or more in length, but has very small teeth.

Shark

v. t.
  1. To pick or gather indiscriminately or covertly. [Obs.]

Shark

v. i.

imp. & p. p. Sharked; p. pr. & vb. n. Sharking

  1. To play the petty thief; to practice fraud or trickery; to swindle.
    Neither sharks for a cup or a reckoning.
    — Bp. Earle.
  2. To live by shifts and stratagems.