BB gun

[n] - an air gun in which pellets are propelled by air pressure
Found on http://www.webdictionary.co.uk/definition.php?query=BB%20gun

BB gun

noun an air gun in which BBs are propelled by compressed air
Found on http://wordnetweb.princeton.edu/perl/webwn?s=BB%20gun

BB gun

(from the article `air gun`) Most modern air guns are inexpensive BB guns (named for the size of the shot fired). The best of these develop about half the muzzle velocity of ...
Found on http://www.britannica.com/eb/a-z/b/35

BB gun

BB guns are a type of air gun designed to shoot spherical projectiles called BBs after the shot pellet of approximately the same size. Modern BB guns usually have a barrel with a bore and caliber of {convert|0.177|in|mm|abbrev=on} and are available in many varieties. BB shot for modern BB guns is usually steel, plated either with zinc or copper to...
Found on http://en.wikipedia.org/wiki/BB_gun
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