Meaning of hand screw

hand' screw"

Pronunciation: [key]
  1. a screw that can be tightened by the fingers, without the aid of a tool.
  2. Also calleda clamp having two wooden jaws that are adjusted by two long screws. See illus. under.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.