TONGS n.
An instrument, usually of metal, consisting of two parts, or long shafts, jointed together at or near one end, or united by an elastic bow, used for handling things, especially hot coals or metals; -- often called a pair of tongs.
TRIPOD n.
A three-legged frame or stand, usually jointed at top, for supporting a theodolite, compass, telescope, camera, or other instrument. Tripod of life, or Vital tripod (Physiol.), the three organs, the heart, lungs, and brain; -- so called because their united action is necessary to the maintenance of life.…