(1):

(n.) A wrinkle, plait, or curl; a flounce; - also, a frown.

(2):

(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.

(3):

(v. i.) To form wrinkles in the forehead; to manifest displeasure; to frown.

(4):

(n.) An affection in hawks, in which white spittle gathers about the hawk's bill.