Definitions

1. noun

A power tool used to smooth and flatten a surface, especially the edge of a piece of wood, by cutting away small shavings.

“The carpenter used a jointer to ensure the wood edge was perfectly flat before assembling the cabinet.”

2. noun

A device, especially a machine, used to join or connect two or more parts together, such as a mechanical jointer for pipes.

“The plumbing system required a jointer to connect the pipes securely.”