Grab bottle to offer head of house (5)

I believe the answer is:

abbot

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'head of house' is the definition.
'abbot' can be an answer for 'head' (I have seen 'Head of monastery' mean 'abbot' so perhaps 'head' could also mean 'abbot'). I'm unsure of the 'of house' bit.

'grab bottle' is the wordplay.
'ABBOT' is hidden within the letters.
But, I'm not sure how the hidden word is indicated.

'to offer' is the link.

Can you help me to learn more?

(Other definitions for abbot that I've seen before include "friar" , "first in order" , "Brother" , "Monastery superior" , "Monks' superior" .)

I've seen this clue in The Guardian.

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