society > armed hostility > hostilities at sea > naval weapons and equipment > [noun] > ship's guns collectively > torpedo-tube (4)
a tube serving to expel a torpedo.
(a) the tube in which the propeller-shaft works; (b) a tube fitted in the stern of a warship from which torpedoes are discharged.
a kind of gun from which torpedoes are discharged by compressed air or gunpowder.