Source : Webster's Revised Unabridged Dictionary (1913)

Roncador \Ron`ca*dor"\, n. [Sp., a snorer, fr. roncar to snore.
   So called in allusion to the grunting noise made by them on
   being taken from the water. ] (Zo["o]l.)
   Any one of several species of California sci[ae]noid food
   fishes, especially {Roncador Stearnsi}, which is an excellent
   market fish, and the red roncador ({Corvina, or Johnius,
   saturna}).