Light Crossbow +1

Light Crossbow +1 is a magical enchanted crossbow. When compared to the standard non-enchanted version, it weighs 1 lbs less, has +1 bonus to damage and thaco, and speed factor of 4, which is one point fewer. This weapon appears in the games of Baldur's Gate, Baldur's Gate EE and Baldur's Gate II. In the game of Baldur's Gate, this item is not for sale at any shop, but it can gained when the player kills Taxek, who can be found in a house in Baldur's Gate SE.

In-game description
"A crossbow is a bow mounted crosswise on a wooden or metal shaft, the latter called a tiller. The bow is usually made of ash or yew.  The crossbow fires a quarrel (also called a bolt)."