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A rotatory cylinder, covered with wire teeth or teasels, for teaseling woolen cloth. Gig machine, Gigging machine, Gig mill, or Napping machine. See Gig, 4. -- Gig saw. See Jig saw.

cover, Gill lid. See Operculum. -- Gill frame, or Gill head (Flax Manuf.), a spreader; a machine for subjecting flax to the action of gills. Knight. -- Gill net, a flat net so suspended in the water that its meshes allow the heads of fish to pass, but catch in the gills when they seek to extricate themselves. -- Gil…

A quaint piece of machinery; a gimmer. [Obs.]

A machine for raising or moving heavy weights, consisting of a tripod formed of poles united at the top, with a windlass, pulleys, ropes, etc.

A tool or machine used in glazing, polishing, smoothing, etc.; amoung cutlers and lapidaries, a wooden wheel covered with emery, or having a band of lead and tin alloy, for polishing cutlery, etc.

The angle, esp. the least angle, at which a gliding machine or aëroplane will glide to earth by virtue of gravity without applied power.

A contrivance applied to steam engines, water wheels, and other machinery, to maintain nearly uniform speed when the resistances and motive force are variable.

or that which, greases; specifically, a person employed to lubricate the working parts of machinery, engines, carriages, etc.

from Grind. Grinding frame, an English name for a cotton spinning machine. -- Grinding mill. (a) A mill for grinding grain. (b) A lapidary's lathe.

tit. (Zoöl.) See Ground wren (below). -- Ground wheel, that wheel of a harvester, mowing machine, etc., which, rolling on the ground, drives the mechanism. -- Ground wren (Zoöl.), a small California bird (Chamæa fasciata) allied to the wrens and titmice. It inhibits the arid plains. Called also gronnd tit, and wren l…

One who, or that which, grubs; especially, a machine or tool of the nature of a grub ax, .grub hook, etc.

el, for giving direction to the motion of anything, as water, an instrument, or part of a machine, or for directing the hand or eye, as of an operator; as:

A machine for beheading a person by one stroke of a heavy ax or blade, which slides in vertical guides, is raised by a cord, and let fall upon the neck of the victim.

A punch-cutting tool, or machine for deepening and enlarging the spaces between the teeth of a worn saw.

e. Black Hamburg grape. See under Black. -- Hamburg , a kind of embroidered work done by machinery on cambric or muslin; -- used for trimming. -- Hamburg lake, a purplish crimson pigment resembling cochineal.

One who harvests; a machine for cutting and gathering grain; a reaper.

a, the juice of hay extracted by boiling, used as food for cattle, etc. -- Hay tedder, a machine for spreading and turning newmown hay. See Tedder.

A machine in which hay is chopped short, as fodder for cattle.

A machine for curing hay in rainy weather.

One who, or that which, heads nails, rivets, etc., esp. a machine for heading.