Queen entering royal museum gallery (7)

I believe the answer is:

veranda

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'gallery' is the definition.
(synonyms)

'queen entering royal museum' is the wordplay.
'queen' becomes 'ER' (abbreviation for Elizabeth Regina).
'entering' indicates putting letters inside.
'royal museum' becomes 'vanda' (Victoria and Albert Museum. I am not sure about the 'royal' bit.).
'er' going inside 'vanda' is 'VERANDA'.

Can you help me to learn more?

(Other definitions for veranda that I've seen before include "Addition to a house" , "Porch - portico" , "balcony" , "Porch along the outside of a building" , "Part of house roofed" .)

I've seen this clue in The Telegraph.

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