frounce verb. [fraʊns] ME.
[Old & mod. French froncer, also Old French froncir wrinkle, fold, formed as FROUNCE noun¹.]
1. a. verb trans. Fold or wrinkle; knit, purse (the brow, lips). ME-M17.
b. Knit the brow; (of the face) become wrinkled. Now rare or obsolete. LME.

2. verb trans. & intrans. Make or become creased or pleated. LME-E19.

3. verb trans. Frizz, curl (hair, a wig). E16.

[TahlilGaran] English Dictionary ▲

frounce noun¹. [fraʊns] LME.
[Old & mod. French fronce, from Frankish, rel. to Old Norse hrukka wrinkle. Cf. FLOUNCE noun².]
1. A wrinkle. Also, a crease or pleat; fig. deceit. LME-E18.

2. A flounce. Only in 17.

3. [Infl. by FROUNCE verb.] (A piece of) vain display; elaboration. rare. L19.

[TahlilGaran] English Dictionary ▲

frounce noun². [fraʊns] LME.
[Origin unkn.]
Falconry. A sore in the mouth of a hawk.

[TahlilGaran] English Dictionary ▲