Fag

(n.) A knot or coarse part in cloth.

Fag - Other Definitions

(n.) A knot or coarse part in cloth.
(v. i.) To become weary; to tire.
(v. i.) To labor to wearness; to work hard; to drudge.
(v. i.) To act as a fag, or perform menial services or drudgery, for another, as in some English schools.
(v. t.) To tire by labor; to exhaust; as, he was almost fagged out.
(v. t.) Anything that fatigues.