Possible Clues:

• Bit of a joint that's eaten only if edges have been trimmed
• Bit of a joint for the tension is missing
• Bit of a joint eaten once, middle portion
• Number performing -- such may be in the groove
• Join group that's on the rise
• No fabric for putting around a bit of wood?
• Joint's connective tissue died away
• In a dovetail, it's the ''male''
• Mortise and ___
• Dovetail joint component