Definition of 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.
• v. i. - To form wrinkles in the forehead; to manifest displeasure; to frown.
• n. - A wrinkle, plait, or curl; a flounce; -- also, a frown.
• n. - An affection in hawks, in which white spittle gathers about the hawk's bill.