FRICTION n.
A device in which a piece on one shaft or pulley is so forcibly pressed against a piece on another shaft that the two will revolve together; as, in the illustration, the cone a on one shaft, when thrust forcibly into the corresponding hollow cone b on the other shaft, compels the shafts to rotate together, by the hold…
GRAB n.
instrument for clutching objects for the purpose of raising them; -- specially applied to devices for withdrawing drills, etc., from artesian and other wells that are drilled, bored, or driven. Grab hag, at fairs, a bag or box holding small articles which are to be drawn, without being seen, on payment of a small sum.…
GROW v.
r knees shall kneel till to the ground they grow. Shak. Growing cell, or Growing slide, a device for preserving alive a minute object in water continually renewed, in a manner to permit its growth to be watched under the microscope. -- Grown over, covered with a growth. -- To grow out of, to issue from, as plants fro…
HORSE n.
nd, and sometimes in the United States, called a tramway. -- Horse run (Civil Engin.), a device for drawing loaded wheelbarrows up an inclined plane by horse power. -- Horse sense, strong common sense. [Colloq. U.S.] -- Horse soldier, a cavalryman. -- Horse sponge (Zoöl.), a large, coarse, commercial sponge (Spongia…