Picard loading a crossbow.
An energy crossbow
A crossbow was a projectile weapon that consisted of a bow mounted on a stock that shot arrows. A mechanism in the stock held the bow in its fully-drawn position, and the projectile was shot by pressing a trigger.
Steel crossbows were used in battle by Humans as early as the 14th century. (TNG: "Booby Trap")
Riann threatened Captain Jonathan Archer and Lt. Trip Tucker with a small crossbow during their first encounter in 2151. (ENT: "Civilization")
Crossbows were among the weapons found in the weapons room opposite Lutan's throne room on the planet Ligon II. (TNG: "Code of Honor")
Lt. Worf kept a crossbow in his quarters aboard the USS Enterprise-D. In 2369, Captain Jean-Luc Picard used this crossbow to help take back his ship from mercenaries who were planning on stealing trilithium resin. (TNG: "Starship Mine")
The same year the Hunters, a species from the Gamma Quadrant, used energy crossbows when they've hunted down a Tosk on Deep Space 9. (DS9: "Captive Pursuit")
See also
Background
A crossbow similar hand held weapon from the Star Trek: Voyager episode "Concerning Flight" was sold off on the It's A Wrap! sale and auction on eBay. [1]