Definitions for "Plumb line"
Keywords:  bob, hang, vertical, suspended, string
A string for testing the verticality of a line.
This is a straight line formed by a string attached to a hanging weight. It establishes a vertical line which is straight up and down. In medicine, one uses a plumb line to make sure that the spine is straight. If the spine is not straight, it is called an “offset from the plumb line.
a cord from which a metal weight is suspended pointing directly to the earth's center of gravity; used to determine the vertical from a given point
Keywords:  square, wall, building, device
a device used to square a wall or a building
Keywords:  eye, life, leveling, device
a leveling device , an eye for an eye and a life for a life
Keywords:  point, body, reference
a reference point for the body