brow (brows plural )
1 n-count Your brow is your forehead.
usu poss N
(=forehead)
He wiped his brow with the back of his hand...
→
to knit your brow
→
knit
2 n-count Your brows are your eyebrows.
usu pl
He had thick brown hair and shaggy brows.
3 n-count The brow of a hill is the top part of it.
usu N of n
He was on the look-out just below the brow of the hill.