Definition of garfish

• n. - A European marine fish (Belone vulgaris); -- called also gar, gerrick, greenback, greenbone, gorebill, hornfish, longnose, mackerel guide, sea needle, and sea pike.
• n. - One of several species of similar fishes of the genus Tylosurus, of which one species (T. marinus) is common on the Atlantic coast. T. Caribbaeus, a very large species, and T. crassus, are more southern; -- called also needlefish. Many of the common names of the European garfish are also applied to the American species.