I. ˈ ̷ ̷ˌ ̷ ̷ noun
Etymology: Middle English, from eie, eye eye + brow
1.
a. : the arch or ridge over the eye ; also : the covering of hair growing on this ridge
b. : the narrow surface between the upper border of the orbit and the orbital cavity of fiddler crabs
2.
a. : a molding over a window
b. : fillet 4
c. : a low dormer over which the roofing is carried in wave line
3. : a projection above an air port to divert water trickling down the side of a ship — called also wriggle
4. : fibrous waste that accumulates on machines during the spinning of yarn and that often forms defects in the yarn
II. intransitive verb
: to form eyebrow (sense 4)