Related Clues:

• Joint groove
• Bishop's hat
• Board projection
• Wainscot
• Bishop's headdress
• Mortise-joint component
• Woodworking channel
• Beam joiner
• Part of a dovetail joint
• Joint at the corner
• It fits into a mortise
• Groove in a board
• With 45-Down, some power tools
• Carpentry joint component, perhaps
• Joint type