noun
The hair that grows over the bone ridge above the eye socket.
(construction) A dormer, usually of small size, whose roof line over the upright face is typically an arched curve, turning into a reverse curve to meet the horizontal line at either end.
A clump of waste fibres that builds up in a roller machine.
verb
(intransitive) To build up waste fibres in a roller machine.
(transitive) To signal with one's eyebrows.