Jag (noun)

1. A jag refers to a sharp, irregular projection on an edge or surface.
2. A jag refers to a sudden sharp pain or a sudden feeling of discomfort.

Origin:

The word jag is a word of uncertain origin.

Examples:

1. The saw blade has a jag on its edge.
2. The jagged edge of the glass can cause injury.
3. The jag of pain was so intense it made him cry out.
4. The jag of hunger made her stomach growl.
5. The jag of anxiety made her heart race.