(Of wood, metal, etc.) a joint formed by two surfaces abutting at right angles.
More example sentences
- Use dowels at each butt joint and when you cut your stock make it long enough for the amount of overlap that you desire.
- When two furring strips are joined, the butt joint should always be over the center of a joist.
- The mortised joint is even neater than the butt joint, but you must cut a mortise into the post for this joint.