END MATCHED

In strip and plank flooring the ends of individual pieces have a tongue milled on one end and a groove milled on the opposite end, so that when the individual strips or planks are butted together, the tongue of one piece engages the groove of the next piece.
OR
(A male projection milled on one edge of a strip, plank, slat or unit to be engaged with a female counterpart on an adjoining unit.)