| 单词 | ferrule | 
| 释义 | Word Frequency ferrule or ferule (ˈfɛruːl, -rəl) noun 1.  a metal ring, tube, or cap placed over the end of a stick, handle, or post for added strength or stability or to increase wear  2.  a side opening in a pipe that gives access for inspection or cleaning  3.  a bush, gland, small length of tube, etc, esp one used for making a joint  verb 4. (transitive) to equip (a stick, etc) with a ferrule Word origin C17: from Middle English virole, from Old French virol, from Latin viriola a little bracelet, from viria bracelet; influenced by Latin ferrum iron | 
	
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