Related Clues:

• Central opening?
• Half-circle shape
• It's in the 60s
• Beginning of Christmas?
• Chronological start?
• Dead end?
• Welsh/English border river
• Letter after bee
• 'Meh' mark
• Ruby in films
• "Barely making it" grade
• River to Aberdeen
• End to 'end'
• Letter in a copyright symbol
• When doubled, a Ramone