| 单词 | bollard | 
| 释义 | Word Frequency bollard(ˈbɒlɑːd, ˈbɒləd) noun 1.  a strong wooden or metal post mounted on a wharf, quay, etc, used for securing mooring lines 2.  British a small post or marker placed on a kerb or traffic island to make it conspicuous to motorists  3.  mountaineering an outcrop of rock or pillar of ice that may be used to belay a rope  Word origin C14: perhaps from bole1 + -ard | 
	
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