Related Clues:

• Like a pool table, ideally
• Completely destroy
• Tool box item
• Plane
• Be straight
• Be honest (with)
• Horizontal line
• Make flat
• Either way, it's flat
• Raze
• On an even keel
• It can follow the last word of 20-, 27-, 47- and 53-across
• Tool-box item
• Flat, as a field
• Parking-garage division