What is the edge or projecting upper aprt of a steep place; as, the brow of a precipice; the brow of a hill. To bend the brow, To knit the brows, to frown; to scowl called?

brow — The edge or projecting upper aprt of a steep place; as, the brow of a precipice; the brow of a hill. To bend the brow, To knit the brows, to frown; to scowl. (Webster's 1913.)

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