Frounce (v. i.) : To gather into or adorn with plaits, as a dress; to
form wrinkles in or upon; to curl or frizzle, as the hair.
Frounce (v. i.) : To form wrinkles in the forehead; to manifest displeasure; to frown.
Frounce (n.) : A wrinkle, plait, or curl; a flounce; -- also, a frown.
Frounce (n.) : An affection in hawks, in which white spittle gathers about the hawk's bill.