Related Clues:

• Narrow waterway
• Long and narrow strip of water
• Long, narrow strip of water
• Fedora, e.g.
• Boater or bowler
• Bowler or skimmer
• Something not really on Mars
• Ear section
• Beaver, e.g.
• Where a rabbit may be hidden
• Milliner's sale
• End of a Seuss title
• Ear passage
• It may be over your head
• Stove-pipe, e.g.