/gahr/, n., pl. (esp. collectively) gar, (esp. referring to two or more kinds or species) gars.
1. Also called garfish, garpike. any predaceous freshwater fish of the genus Lepisosteus, of North America, covered with hard, diamond-shaped scales and having long jaws with needlelike teeth.
2. needlefish (def. 1).
[1755-65, Amer.; shortened form of GARFISH]
/gahr/, v.t., garred, garring.
1. Scot. to compel or force (someone) to do something.
2. Scot. and North Eng. Obs. to do, perform, or cause.
[1250-1300; ME geren, garren, gairen < ON gera to do, make; akin to OE gearwian to prepare]

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Any of several large North or Central American fishes of the genus Lepisosteus.

They are related to the bowfin and date back to the Eocene Epoch. Gars are confined chiefly to fresh water, though some species enter brackish or salt water. They frequently bask at the surface in sluggish waters and commonly breathe atmospheric air. Their jaws and face form a sharp-toothed beak, and their body is encased in an armour of diamond-shaped, thick scales. Their eggs are toxic to predators. They are highly voracious predators, with long rows of needlelike teeth. The alligator gar of the southern U.S. reaches a length of about 10 ft (3 m) and is one of the largest freshwater fishes.

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 any of several large North or Middle American fishes of the genus Lepisosteus, in the family Lepisosteidae. Gars, which are related to the bowfin in the superorder Holostei, are confined chiefly to fresh water, though some of the eight or so species descend to brackish or even salt water. They frequently bask like logs at the surface in sluggish waters and commonly breathe atmospheric air. Their jaws and face form a sharp-toothed beak, and their bodies are encased in an armour of diamond-shaped, thick, enamelled (ganoid) scales.

      During the Eocene Epoch (57.8 to 36.6 million years ago), gars lived in Europe as well as in North America. One reason for their survival is thought to be that their relatively large, yolk-filled, greenish eggs are highly toxic to prospective predators. The eggs are laid in shallows in the spring; the hatchlings grow remarkably fast, feeding from the start on the hatchlings of other fish and even minnows, and soon become such voracious predators that measures are often applied to reduce their numbers. The long rows of needlelike teeth are very effective in capturing prey. The beak is very long and forcepslike in the longnose gar, or billfish (Lepisosteus osseus), but broad and relatively short in the alligator gar (L. spatula) of the southern United States. The alligator gar, reaching a length of about 3 m (10 feet), is one of the largest of all freshwater fishes. Gars are edible but are almost never eaten in the central and northern United States. They are sometimes baked in their own armour. Some artisans fabricate the enameled scales into novelty jewelry.

      Especially in Europe, the name gar, or garfish, or gar pike, is applied to the needlefish (q.v.) of the family Belonidae. In Australia the term is used for the halfbeak (q.v.), a relative of the needlefish.

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Universalium. 2010.

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