A tree growth in which the grain has grown in a deformed manner; a burr knot.
Wood of a mottled veneer, usually cut from such a growth.
A knot or lump in thread or cloth.
To remove the knots in cloth.
A small rounded wartlike protuberance of the roots of some leguminous plants; the lip of certain orchids, cacti.
A small rounded nodule forming the characteristic lesion of tuberculosis.
A round nodule, small eminence, or warty outgrowth, especially those found on bones for the attachment of a muscle or ligament or small elevations on the surface of a tooth.