porbeagle

from WordNet (r) 3.0 (2006)

porbeagle
    n 1: voracious pointed-nose shark of northern Atlantic and
         Pacific [syn: {porbeagle}, {Lamna nasus}]

from The Collaborative International Dictionary of English v.0.48

Porbeagle \Por"bea`gle\, n. (Zool.)
   A species of shark ({Lamna cornubica}), about eight feet
   long, having a pointed nose and a crescent-shaped tail; --
   called also {mackerel shark}. [Written {also probeagle}.]
   [1913 Webster]