The Collaborative International Dictionary of English v.0.48:

Scrod \Scrod\, Scrode \Scrode\, n.
   A young codfish, especially when cut open on the back and
   dressed. [Written also escrod.] [Local, U.S.]
   [1913 Webster]

WordNet (r) 3.0 (2006):

scrod
    n 1: flesh of young Atlantic cod weighing up to 2 pounds; also
         young haddock and pollock; often broiled [syn: schrod,
         scrod]
    2: young Atlantic cod or haddock especially one split and boned
       for cooking [syn: scrod, schrod]