Dictionary definition · flourish
noun
- a showy gesture"she entered with a great flourish"
- an ornamental embellishment in writing
- a display of ornamental speech or language
- the act of waving
- (music) a short lively tune played on brass instruments"he entered to a flourish of trumpets"
verb
- grow vigorously"The deer population in this town is thriving"
- make steady progress; be at the high point in one's career or reach a high point in historical significance or importance"The new student is thriving"
- move or swing back and forth"She waved her gun"
Source: Open English WordNet (CC BY 4.0).