pis·tol
n.
A firearm designed to be held and fired with one hand.
tr.v. pis·toled, pis·tol·ing, pis·tols
To shoot with such a handgun.
\Pis"tol\, n. [F. pistole, pistolet, It. pistola; prob. from a form Pistola, for Pistoja, a town in Italy where pistols were first made. Cf. Pistole.] The smallest firearm used, intended to be fired from one hand, -- now of many patterns, and bearing a great variety of names.
pistol
n : a firearm that is held and fired with one hand [syn: handgun, side arm, shooting iron]
Main Entry: pis·tol
Pronunciation: 'pis-t&l
Function: noun
Etymology: Middle French pistole, from German, from Middle High German pischulle, from Czech pÃst'ala, literally, pipe, fife; akin to Czech pistet to squeak
Date: circa 1570
: a handgun whose chamber is integral with the barrel; broadly : HANDGUN
In effect, both are correct. Trying to say otherwise is splitting hairs.