A joint made by a tongue (a rib on one edge of a board) that fits into a corresponding groove in the edge of another board to make a tight flush joint. Typically, the subfloor plywood is tongue-and-groove.
Wooden boards with a groove along one edge and a protruding tongue down the other. The tongue slots into the groove of an adjacent piece for a secure fixing.
The configuration of the meeting rails that differs from shiplap in having matching channel groove and protrusion on the longitudinal edges of the abutting meeting rails for wind and weather protection.
Straight or right-angled joint made by cutting a groove into one piece of wood into which fits the projecting groove from another. Used from the 19th century onwards.
System of joining elements in which a protrusion, or tongue, on one element fits into a groove on the other. Typically found on cathedral ceilings and above open beams as an option to drywall. A very popular option for log homes.
Often used in wall panelling (and floors, of course), this is a long joint formed by cutting male and female interlocking shapes (the tongue and the groove) in the centre of the edge of a board, usually along the grain. This ensures that the boards are dust and draught proof, even after cross-grain shrinkage.
The joining of two edges, one with an extension or tongue that fits into an opposing groove.
CARPENTRY JOINT IN WHICH THE JUTTING EDGE OF ONE BOARD FITS INTO THE GROOVED END OF ANOTHER BOARD.
A joint made using boards that have a projecting tongue on one edge and a corresponding groove on the opposite edge. Home Improvement Encyclopedia