The Collaborative International Dictionary of English v.0.48:

Hake \Hake\, n. [Also haak.] [Akin to Norweg. hakefisk, lit.,
   hook fish, Prov. E. hake hook, G. hecht pike. See Hook.]
   (Zool.)
   One of several species of marine gadoid fishes, of the genera
   Phycis, Merlucius, and allies. The common European hake
   is Merlucius vulgaris; the American silver hake or whiting
   is Merlucius bilinearis. Two American species (Phycis
   chuss and Phycis tenius) are important food fishes, and
   are also valued for their oil and sounds. Called also
   squirrel hake, and codling.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Codling \Cod"ling\, n. [Dim. of cod the fish.] (Zool.)
   A young cod; also, a hake.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Codlin \Cod"lin\, Codling \Cod"ling\, n. [Cf. AS. cod[ae]ppel a
   quince.]
   (a) An apple fit to stew or coddle.
   (b) An immature apple.
       [1913 Webster]

             A codling when 't is almost an apple. --Shak.
       [1913 Webster]

   Codling moth (Zool.), a small moth (Carpocapsa
      Pomonella), which in the larval state (known as the apple
      worm) lives in apples, often doing great damage to the
      crop.
      [1913 Webster]

WordNet (r) 3.0 (2006):

codling
    n 1: young codfish