0 a flower that someone wears in the buttonhole of, or fastened to, their jacket on a special occasion such as a wedding:
Create your own corsage or boutonniere with flowers growing in your family's garden.
Walton was dressed in a crisp dark suit complete with a yellow boutonniere.
The bride’s and bridesmaids' bouquets, the corsages and the boutonnieres all included scented herbs.
