Source : Webster's Revised Unabridged Dictionary (1913)

Gunnel \Gun"nel\, n. [See {Gunwale}.]
   1. A gunwale.

   2. (Zo["o]l.) A small, eel-shaped, marine fish of the genus
      Mur[ae]noides; esp., M. gunnellus of Europe and America;
      -- called also gunnel fish, butterfish, rock eel.

Source : WordNet®

gunnel
     n 1: wale at the top of the side of boat; topmost planking of a
          wooden vessel [syn: {gunwale}, {gun rest}]
     2: small eellike fishes common in shallow waters of the
        northern Atlantic [syn: {bracketed blenny}]