The hand with the fingers doubled into the palm; the closed hand, especially as clinched tightly for the purpose of striking a blow.
- The hand closed tightly with the fingers bent against the palm.
- Informal A grasp; a clutch: had a fortune in their fists and let it go.
- Printing See index.
- To clench into a fist.
- To grasp with the fist.
- Vulgar To insert the fist into the rectum or vagina of (another) as a means of sexual stimulation.