A revolving cylinder or drum, round which a chain or rope is wound, in various machines and appliances; e.g. that of a capstan, jack, wheel…
| 单词 | θ212564 | 
| 释义 | society > occupation and work > equipment > lifting or hoisting equipment > 			[noun]		 > winch or capstan > drum or barrel of (8)		 barrel?1518 A revolving cylinder or drum, round which a chain or rope is wound, in various machines and appliances; e.g. that of a capstan, jack, wheel… roller1609 The revolvable drum or barrel of a winch or windlass. turn-tree1653 = turn-beam n. turn-beam1679 the drum of a windlass. tympanum1704 Mechanics. The barrel of a capstan or similar apparatus for raising weights (? only Latin). Obsolete. capstan-barrel1706 rope barrel1797 = rope roll n. rope roll1811 a cylinder or drum around which is wound a rope for communicating motion. | 
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