Enter a clue or pattern or both:
The Clue
Channels for joints (7 letter answer)
The Answer
RABBETS
Tags
Notes
The answer RABBETS is so rare that it appears less than once every 2500 puzzles.
Definition
RABBET as a noun:
1. (rabbet, rebate) = a rectangular groove made to hold two pieces together
RABBET as a verb:
1. join with a rabbet joint
2. cut a rectangular groove into