Webster's Revised Unabridged Dictionary · 1913

Flourish

Flourish , intransitive verb

[Old English florisshen, flurisshen, Old French flurir, French fleurir, from Latin florere to bloom, from flos, floris, flower. See Flower, and -ish.]

1.
To grow luxuriantly; to increase and enlarge, as a healthy growing plant; a thrive.
A tree thrives and flourishes in a kindly... soil. — Bp. Horne
2.
To be prosperous; to increase in wealth, honor, comfort, happiness, or whatever is desirable; to thrive; to be prominent and influential; specifically, of authors, painters, etc., to be in a state of activity or production.
When all the workers of iniquity do flourish. — Bible (KJV) - Psalm xcii 7
Bad men as frequently prosper and flourish, and that by the means of their wickedness. — Nelson
We say Of those that held their heads above the crowd, They flourished then or then. — Tennyson
3.
To use florid language; to indulge in rhetorical figures and lofty expressions; to be flowery.
They dilate... and flourish long on little incidents. — J. Watts
4.
To make bold and sweeping, fanciful, or wanton movements, by way of ornament, parade, bravado, etc.; to play with fantastic and irregular motion.
Impetuous spread The stream, and smoking flourished o'er his head. — Pope
5.
To make ornamental strokes with the pen; to write graceful, decorative figures.
6.
To execute an irregular or fanciful strain of music, by way of ornament or prelude.
Why do the emperor's trumpets flourish thus? — Shakespeare
7.
To boast; to vaunt; to brag. — Pope

Flourish , transitive verb

1.
To adorn with flowers or beautiful figures, either natural or artificial; to ornament with anything showy; to embellish. [Obsolete] — Fenton
2.
To embellish with the flowers of diction; to adorn with rhetorical figures; to grace with ostentatious eloquence; to set off with a parade of words. [Obsolete]
Sith that the justice of your title to him Doth flourish the deceit. — Shakespeare
3.
To move in bold or irregular figures; to swing about in circles or vibrations by way of show or triumph; to brandish.
And flourishes his blade in spite of me. — Shakespeare
4.
To develop; to make thrive; to expand. [Obsolete]
Bottoms of thread... which with a good needle, perhaps may be flourished into large works. — Bacon

Flourish , noun

1.
A flourishing condition; prosperity; vigor. [Archaic]
The Roman monarchy, in her highest flourish, never had the like. — Howell
2.
Decoration; ornament; beauty.
The flourish of his sober youth Was the pride of naked truth. — Crashaw
3.
Something made or performed in a fanciful, wanton, or vaunting manner, by way of ostentation, to excite admiration, etc.; ostentatious embellishment; ambitious copiousness or amplification; parade of words and figures; show; as, a flourish of rhetoric or of wit.
He lards with flourishes his long harangue. — Dryden
4.
A fanciful stroke of the pen or graver; a merely decorative figure.
The neat characters and flourishes of a Bible curiously printed. — Boyle
5.
A fantastic or decorative musical passage; a strain of triumph or bravado, not forming part of a regular musical composition; a cal; a fanfare.
A flourish, trumpets! strike alarum, drums! — Shakespeare
6.
The waving of a weapon or other thing; a brandishing; as, the flourish of a sword.