Crossword Genius

Neckwear that's Siamese, by the sound of it (3)

Ross

I believe the answer is:

tie

'neckwear' is the definition.
(type of neckwear)

'siamese by the sound of it' is the wordplay.
'siamese' becomes 'Thai' (synonyms).
'by the sound of it' shows a homophone (sound like).
'thai' is a homophone of 'TIE'.

'that's' is the link.

(Other definitions for tie that I've seen before include "Draw for neckware" , "may make one hot under the collar" , "Neck-cloth" , "Get even" , "Draw - knot" .)

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