Round container? (3)
'round container?' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for gun that I've seen before include "Throttle" , "Rev up" , "Artillery piece" , "Firearm" , "It can be carried by 15 Ac" .)
(Other definitions for bowl that I've seen before include "Round dish, basin" , "US stadium for sporting or musical events" , "Basin; wooden ball" , "Throw the ball" , "See 20" .)