| Noun | 1. | jag - a sharp projection on an edge or surface; "he clutched a jag of the rock"projection - any solid convex shape that juts out from something | |
| 2. | jag - a slit in a garment that exposes material of a different color underneath; used in Renaissance clothinggarment - an article of clothing; "garments of the finest silk" slit - a long narrow opening | |
| 3. | jag - a flap along the edge of a garment; used in medieval clothingflap - any broad thin and limber covering attached at one edge; hangs loose or projects freely; "he wrote on the flap of the envelope" garment - an article of clothing; "garments of the finest silk" | |
| 4. | jag - a bout of drinking or drug taking | |
| Verb | 1. | jag - cut teeth into; make a jagged cutting edgeserrate - make saw-toothed or jag the edge of; "serrate the edges of the teeth" cut - separate with or as if with an instrument; "Cut the rope" | |