toggle joint: Meaning and Definition of

tog'gle joint"

Pronunciation: [key]
— Mach. Mach.
  1. any of various devices consisting basically of a rod that can be inserted into an object and then manipulated so that the inserted part spreads, becomes offset, or turns at a right angle to the exterior part, allowing it to be used as a support, handle, linkage, lever, etc.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.