WordReference Random House Unabridged Dictionary of American English © 2026
rule′ joint′,
- Building(in carpentry and joinery) a joint between two hinged pieces, as between the center and end leaves of a table, consisting of a quarter round and fillet fitting against a cove and fillet.
- Buildinga pivoted joint between two strips of wood placed end to end, as in a carpenter's folding rule.
- 1775–85