tromboncino

Noun

 * 1) A kind of squash, that grows on a vine, has a shape reminiscent of a trombone, is eaten as a summer squash, and often exceeds two feet in length when mature as a winter squash.

Etymology
Diminutive, from.

Noun

 * 1) spigot-type grenade launcher; device attached to the barrel of a gun for firing smoke or similar canisters