Related Clues:

• Bracket shape
• Latin 22-Across
• Latin 51-Across
• 90-degree pipe joint
• Head of London?
• 90° pipe turn
• 'ot place
• House addition
• Building adjunct
• Wing with no feathers?
• Shape of some six-sided rooms
• Plumber's pipe bend
• 'Cogito, ergo --'
• Dim follower
• Substance companion