A special bar of any length like a Flat key or
Square key, but one end is specially shaped to
prevent the key from going all the way through the hole or groove into which it is
inserted.
Gilsonite®
Trademark name for Uintaite
(or uintahite), a black, brilliantly lustrous natural variety of asphalt found in parts of Utah and
western Colorado.
Gimlet point
A taper-threaded cone point (usually having a point angle of 45-50 degrees); applied to wood screws,
Type A tapping screws, lag bolts, etc.
Girder
A continuous member usually running fore and aft under a deck for the purpose of supporting the deck
beams and deck of a ship or bridge.
Beams made of steel or concrete that are mounted on top of the bridge's foundation and help support
the road.
Type of forks common on early motorcycles, comprising rigid beams attached to the
steering head by parallel links that allowed movement
Girder spanner
A British term for an adjustable wrench with jaws at right angles to the handle.
Girl's bike
A Bicycle where the horizontal top bar (of a boy's
bike) is angled down from the steering tube down to the
Bottom bracket and is usually parallel with the
Down tube.
Acronym for Geographic Information System. A system of information, organized in layers that
can be applied to a specific georgraphic location to such things as population density, traffic volume,
business development, etc.
