KEY LOT:
A piece of property which is pivotal to the success of a proposed development.

KILN-DRIED LUMBER: As opposed to air-dried lumber.
Any wood that has been dried in a heated kiln to lower the materials moisture content to between the 6 and 12% range. As opposed to air-dried lumber which has a higher moisture content and is thus subject to more warping as it dries out after installation. See "AIR-DRIED LUMBER".

KIOSK:
Any small structure that stands alone, usually for the purpose of supplying a product or service (such as a sales booth on a new home construction site).

KNOT:
In lumber a knot refers to the part of a branch or limb that appears on the surface of a board.