Source : Webster's Revised Unabridged Dictionary (1913)

Scaldfish \Scald"fish`\, n. [Scald, a. + fish.] (Zo["o]l.)
   A European flounder ({Arnoglossus laterna}, or {Psetta
   arnoglossa}); -- called also {megrim}, and {smooth sole}.

Megrim \Me"grim\, n. [Etymol. uncertain.] (Zo["o]l.)
   The British smooth sole, or scaldfish ({Psetta arnoglossa}).