SHEAR n.
in a perpendicular direction, with an unchanged magnitude in the third direction. Shear blade, one of the blades of shears or a shearing machine. -- Shear hulk. See under Hulk. -- Shear steel, a steel suitable for shears, scythes, and other cutting instruments, prepared from fagots of blistered steel by repeated hea…
SHOULDER n.
ised character, etc. Shoulder belt, a belt that passes across the shoulder. -- Shoulder blade (Anat.), the flat bone of the shoulder, to which the humerus is articulated; the scapula. -- Shoulder block (Naut.), a block with a projection, or shoulder, near the upper end, so that it can rest against a spar without jamm…
SHOVEL n.
An implement consisting of a broad scoop, or more or less hollow blade, with a handle, used for lifting and throwing earth, coal, grain, or other loose substances. Shovel hat, a broad-brimmed hat, turned up at the sides, and projecting in front like a shovel, - - worn by some clergy of the English Church. [Colloq.] --…
SIMOOM; SIMOON n.
A hot, dry, suffocating, dust-laden wind, that blows occasionally in Arabia, Syria, and neighboring countries, generated by the extreme heat of the parched deserts or sandy plains.
SINKER n.
In knitting machines, one of the thin plates, blades, or other devices, that depress the loops upon or between the needles. Dividing sinker, in knitting machines, a sinker between two jack sinkers and acting alternately with them. -- Jack sinker. See under Jack, n. -- Sinker bar. (a) In knitting machines, a bar to wh…
SLIP n.
The motion of the center of resistance of the float of a paddle wheel, or the blade of an oar, through the water horozontally, or the difference between a vessel's actual speed and the speed which she would have if the propelling instrument acted upon a solid; also, the velocity, relatively to still water, of the backw…