Definition of HOV lane noun from the Oxford Advanced American Dictionary

 

HOV lane

 noun
noun
NAmE//ˌeɪtʃ oʊ ˈvi leɪn//
 
 
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high-occupancy vehicle lane(a part of the road that may only be used by vehicles that are carrying two or more people) The route has one HOV lane in each direction. The police pulled over a lone driver using the HOV lane.
See the Oxford Advanced Learner's Dictionary entry: HOV lane