n a sharp projection on an edge or surface
n a slit in a garment that exposes material of a different color underneath; used in Renaissance clothing
n a flap along the edge of a garment; used in medieval clothing
n a bout of drinking or drug taking
v cut teeth into; make a jagged cutting edge
n. 难以控制的一阵（jag的复数形式）
vt. 使成锯齿状（jag的第三人称单数形式）