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Joints - Hungry, Straight, Butt, Housed

- term covering the parting planes separating bricks stones etc in a wall. Used as such, it describes both the bed and the perpend, but properly, should only refer to vertical planes.
"Hungry joints" is a term used to describe joints that require repointing.
Straight joints occur when one vertical joint is directly above the vertical joint in the course below. Brickwork, is sometimes described as jointed when the mortar in the joints is lined out.

In joinery, a butt joint is formed by two members simply meeting end to end, while a housed joint is one where the two members are interlocked in some way.