lap joint
Definition
Noun: A lap joint is a type of joint made by overlapping the ends or edges of two pieces of material and then fastening them together. This creates a connection where the joined surfaces lie in parallel planes.
Usage
A lap joint is a fundamental technique in woodworking, metalworking, and other crafts. It is used to join two pieces of material, increasing the surface area for glue or fasteners, which can result in a stronger bond than a simple butt joint. The term is used specifically to describe the joint itself.
Examples
- The carpenter used a lap joint to connect the two wooden beams for the frame.
- For the metal sculpture, a welded lap joint provided a clean and strong connection.
- The strength of the assembly depends on the quality of the lap joint.
Advanced Usage
- Half-lap joint: A specific type of lap joint where material is removed from each piece to half their thickness so that they fit together flush. This is a common variant but is considered a related term, not the definition of a basic lap joint.
- The half-lap joint is often used in making picture frames.
Variants and Related Words
- Overlap (verb/noun): The action or state of extending over and covering a part of something else. This is the fundamental action in creating a lap joint.
- Joint (noun): The point or structure where two parts are joined.
- Butt joint (noun): A contrasting joint where two pieces are joined end-to-end without overlapping.
Synonyms
- Overlap joint: A direct synonym describing the method of joining.
- Lapped joint: An alternative phrasing with the same meaning.
Related Phrases
- To make a lap joint: The action of creating this type of connection.
- You need to measure carefully to make a proper lap joint.
Noun
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joint made by overlapping two ends and joining them together
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