cor ‧ sage /kɔːˈsɑːʒ $ kɔːr-/ BrE AmE noun [countable]
[ Date: 1800-1900 ; Language: French ; Origin: '(part of a piece of clothing covering) the top part of the body' , from Old French cors ; CORSE ]
a group of small flowers that a woman fastens to her clothes on a special occasion such as a wedding