Related Clues:

• Sink to the bottom, as sediment
• Instruction at many a corner
• Pay up
• Intersection sign
• Investor's order
• Hang it up
• Word on an octagon
• Proctor's call
• 'Give it a rest!'
• Sort of sign
• Pull over
• Avoid trials
• 'Whoa!'
• Terminate
• Layover