Crossword Genius

Round dispenser? (3)

Ross

I believe the answer is:

gun

I'm a little stuck... Click here to teach me more about this clue!

This clue might be a double definition.

'round' is the first definition.
The definition and answer can be both man-made objects as well as being singular nouns.
Perhaps they are linked in a way I don't understand?

'dispenser?' is the second definition.
The answer and definition can be both man-made objects as well as being singular nouns.
Perhaps you can see an association between them that I can't see?

Can you help me to learn more?

(Other definitions for gun that I've seen before include "Arm" , "Hired killer" , "Rev up" , "Revolver" , "Artillery piece" .)

I've seen this clue in The Sun.
Want a hint initially instead of a full solution? Install my app