| a highway or street lane for high-occupancy vehicles, usually marked with large diamond shapes on the pavement. |
HOV lane  (āch'ō-vē')  n. An expressway lane restricted to vehicles with at least a set minimum of occupants, usually two. |
| Main Entry: | HOV lane |
| Part of Speech: | n |
| Definition: | High Occupancy Vehicle lane, a highway lane marked with painted diamonds which indicate that it is for multi-passenger vehicles, created to alleviate traffic congestion and improve air quality; also called diamond lane, heavy occupancy vehicle lane |
| Main Entry: | HOV lane |
| Part of Speech: | n |
| Definition: | See diamond lane |