Crossword Genius

Vessel unsuitable for batter! (7)

Ross

I believe the answer is:

pitcher

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

'vessel' is the definition.
(I know that pitcher is a type of vessel)

I don't understand how the remainder of the clue works.

Can you help me to learn more?

(Other definitions for pitcher that I've seen before include "Earthenware vessel" , "that can hold his drink" , "large vessel" , "Vessel with a handle and spout" , "source of drink?" .)

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