Crossword Genius

Costume for groom? (5)

Ross

I believe the answer is:

dress

I believe this is a double definition.

'costume' is the first definition.
(I know that costume can be written as dress)

'for groom?' is the second definition.
('dress' can be a synonym of 'groom')

(Other definitions for dress that I've seen before include "Clothe; decorate" , "Apparel" , "Straighten the line" , "Costume" , "One-piece garment" .)

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