to fire a weapon

play, amuse oneself, enjoy oneself / spend one's time idle, do nothing / for an item not to be in use, be spare or idle

child

gun (firearm)

a gun

Alternative spelling of 筒:

A sound made by one object hitting another. Thud; bang; thump. / A word used to indicate the start of a race or competition.

(Kagoshima, honorific, dialect) Synonym of さん (-san)

鈍器: a blunt weapon

嫩芽: young shoot