The term CORSELET PART is a crossword solution that can be filled in with the three-letter word BRA. A bra, or brassiere, is an item of clothing that is worn by women to support their breasts. It is typically made of fabric and fastened at the back with a hook and eye closure. The term 'corselet part' is often used to refer to the cups of the bra, which provide the main support for the breasts.