Related Clues:

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