with a large confident movement that makes people notice you:
He opened his wallet with a flourish and took out a handful of notes.
2 [usually singular]
a special or impressive part of something:
There's nothing like a luxurious dessert to give a menu a final flourish.
with a flourish
They finished the season with a flourish, winning their last three matches.
a loud part of a piece of music, played especially when an important person enters:
a flourish of trumpets
a curved line that you use to decorate writing