Related Clues:

• Pipe with a quarter bend, e.g.
• Liberian capital?
• Certain turn
• Carpentry joint
• Tail end?
• Groove in a board
• Tetris shape
• Cloth measure
• Bent piece
• Measure of length
• Pipe fitter's union?
• Architectural annex
• Architectural wing, perhaps
• Connecting pipe
• Letter after kay