noun.
A name of the elongate blennies, found on the rocky coasts of the North Atlantic and North Pacific, belonging to the genus Pholis. The best-known of these fishes in the North Atlantic is P. gunnellus.
the GNU version of the Collaborative International Dictionary of English
noun.
A gunwale.
noun.
A small, eel-shaped, marine fish of the genus Murænoides; esp., M. gunnellus of Europe and America; -- called also gunnel fish, butterfish, rock eel.