1. (of roads) having a single lane for traffic in both directions; when vehicles meet one must pull off the road to let the other pass

Antonym: multilane

• automotive engineer
• automotive engineering
• automotive technology
• automotive vehicle
• automysophobia
• autonomic
• autonomic ganglion
• autonomic nervous system
• autonomic plexus
• autonomous
• autonomously
• autonomy
• autophyte
• autophytic
• autophytic plant
• autopilot
• autoplastic
• autoplasty
• autopsy
• autoradiograph
• autoradiographic
• autoradiography
• autoregulation
• autoroute
• autosemantic