An annular projection (as on a cylinder cover or a flange) entering a corresponding depression in the adjacent piece.
| 单词 | θ214502 | 
| 释义 | society > occupation and work > equipment > machine > parts of machines > other parts > 			[noun]		 > cylinders > parts of (2)		 spigot1889 An annular projection (as on a cylinder cover or a flange) entering a corresponding depression in the adjacent piece. crank-chamber1902 (see quot. 1902). | 
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