SHEAVE n. 2 definitions
rim for a rope to work in, and set in a block, mast, or the like; the wheel of a pulley. Sheave hole, a channel cut in a mast, yard, rail, or other timber, in which to fix a sheave.
BLOCK n.
A grooved pulley or sheave incased in a frame or shell which is provided with a hook, eye, or strap, by which it may be attached to an object. It is used to change the direction of motion, as in raising a heavy object that can not be conveniently reached, and also, when two or more such sheaves are compounded, to chang…
FIDDLE n.
alled from the form of the body. -- Fiddle block (Naut.), a long tackle block having two sheaves of different diameters in the same plane, instead of side by side as in a common double block. Knight. -- Fiddle bow, fiddlestick. -- Fiddle fish (Zoöl.), the angel fish. -- Fiddle head, an ornament on a ship's bow, cur…
GRAIN n.
mall allowance. -- Grain binder, an attachment to a harvester for binding the grain into sheaves. -- Grain colors, dyes made from the coccus or kermes in sect. -- Grain leather. (a) Dressed horse hides. (b) Goat, seal, and other skins blacked on the grain side for women's shoes, etc. -- Grain moth (Zoöl.), one of s…
LOG n.
or block near the free end of a hoisting rope to prevent it from being drawn through the sheave. Log board (Naut.), a board consisting of two parts shutting together like a book, with columns in which are entered the direction of the wind, course of the ship, etc., during each hour of the day and night. These entries…