1. n. The hair that grows over the bone ridge above the eye socket.
2. n. (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.
3. n. A clump of waste fibres that builds up in a roller machine.
4. v. (intransitive) To build up waste fibres in a roller machine.
