Related Clues:

• Grand Canyon spot
• It has a floor but lacks a ceiling
• Monocle part
• Net supporter
• Huge quantity
• Spare part
• Limitless quantity
• Glasses part
• Shark's habitat
• Barely miss, as the golf cup
• Glass component
• It goes coast-to-coast
• Net adjunct
• Big drink?
• About 70 percent of the earth's surface