Noun

(en noun)

A tube-shaped gun that fires a barbed spear, almost always for underwater use.

*{{quote-news, year=2007, date=July 29, author=Brendan I. Koerner, title=A Trimmer Gun to Spear Smaller Fry, work=New York Times citation

, passage=The five Euro Series spearguns , whose stocks range in length from 102 to 145 centimeters (about 40 to 57 inches), went on sale in January 2006, priced from $380 to $474. }}