Related Clues:

• Bat lair
• Stalactite setting
• Bad thing to be stuck in
• Dirt-road hazard
• Cart track
• Groove in a muddy road
• Batman's private locale
• Oxcart's track
• Relentless nine-to-five gig, e.g.
• Locale for Osama bin Laden
• Cause of a bump in the road
• Wagon wheel depression
• Road to nowhere, metaphorically
• Spelunking spot
• Plow furrow