A hollow or ridge in a road, which causes persons passing over it in a vehicle to nod the head involuntarily, as if in acknowledgement of a favour…
| 单词 | θ200911 | 
| 释义 | society > travel > means of travel > route or way > way, path, or track > road > parts of road > 			[noun]		 > surface > ridge to prevent accumulation of water (2)		 thank-you-ma'am1849 A hollow or ridge in a road, which causes persons passing over it in a vehicle to nod the head involuntarily, as if in acknowledgement of a favour… water bar1850 U.S. A low ridge made slantwise across a sloping road or track to divert surface water to one side; = water break, n. 3a. | 
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