Crossword Genius

An unknown draught in front part of room? (3,6)

Ross

I believe the answer is:

bay window

'part of room?' is the definition.
(a bay window is normally part of a room)

'an unknown draught in front' is the wordplay.
'an' becomes 'a'.
'unknown' becomes 'y' (algebra).
'draught' becomes 'wind'.
'in' is an insertion indicator.
'front' becomes 'bow' (the bow is the front of a ship).
'a'+'y'+'wind'='aywind'
'aywind' put inside 'bow' is 'BAY-WINDOW'.

(Another definition for bay window that I've seen is " A windy bow (anag.)".)

I've seen this clue in The Times.
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