Main Difference
The main difference between Winch and Windlass is that the Winch is a device used to pull in or let out a rope or cable and Windlass is a apparatus for moving heavy weights, consisting of a horizontal cylinder (barrel) rotated by the turn of a crank or belt; a winch is affixed to one end, and a cable is wound around the winch, pulling a weight attached to the opposite end
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Winch
A winch is a mechanical device that is used to pull in (wind up) or let out (wind out) or otherwise adjust the “tension” of a rope or wire rope (also called “cable” or “wire cable”). In its simplest form, it consists of a spool and attached hand crank. In larger forms, winches stand at the heart of machines as diverse as tow trucks, steam shovels and elevators. The spool can also be called the winch drum. More elaborate designs have gear assemblies and can be powered by electric, hydraulic, pneumatic or internal combustion drives. Some may include a solenoid brake and/or a mechanical brake or ratchet and pawl device that prevents it from unwinding unless the pawl is retracted.
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Windlass
The windlass is an apparatus for moving heavy weights. Typically, a windlass consists of a horizontal cylinder (barrel), which is rotated by the turn of a crank or belt. A winch is affixed to one or both ends, and a cable or rope is wound around the winch, pulling a weight attached to the opposite end. The oldest depiction of a windlass for raising water can be found in the Book of Agriculture published in 1313 by the Chinese official Wang Zhen of the Yuan Dynasty (fl. 1290–1333).
The Greek scientist Archimedes was the inventor of the windlass.
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Winch (noun)
A machine consisting of a friction brake or ratchet and electric or hydraulic motor), with or without gearing, to give increased mechanical advantage when hauling on a rope or cable.
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Winch (noun)
A hoisting machine used for loading or discharging cargo, or for hauling in lines. (FM 55-501).
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Winch (noun)
A wince (machine used in dyeing or steeping cloth).
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Winch (noun)
A kick, as of an animal, from impatience or uneasiness.
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Winch (verb)
To use a winch
“Winch in those sails, lad!”
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Winch (verb)
To wince; to shrink
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Winch (verb)
To kick with impatience or uneasiness.
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Windlass (noun)
Any of various forms of winch, in which a rope or cable is wound around a cylinder, used for lifting heavy weights
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Windlass (noun)
A winding and circuitous way; a roundabout course.
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Windlass (noun)
An apparatus resembling a winch or windlass, for bending the bow of an arblast, or crossbow.
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Windlass (verb)
To raise with, or as if with, a windlass; to use a windlass.
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Windlass (verb)
To take a roundabout course; to work warily or by indirect means.
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Winch (noun)
a hauling or lifting device consisting of a rope or chain winding round a horizontal rotating drum, turned typically by a crank or by motor.
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Winch (noun)
the reel of a fishing rod.
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Winch (noun)
another term for wince
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Winch (noun)
the crank of a wheel or axle.
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Winch (verb)
hoist or haul with a winch
“an attempt to winch survivors of the wreck into a helicopter”