ствол

Etymology
From.

Noun

 * 1) trunk, tree trunk
 * 2) barrel (of a gun)

Etymology
.

Noun

 * 1) trunk, tree trunk
 * 2) barrel (of a gun)
 * 3)  gun
 * 4) a vertical part of a (coal) mine
 * 1) a vertical part of a (coal) mine

Etymology
From.

Noun

 * 1) barrel (of a gun)
 * 2) a vertical part of a (coal) mine