A knot or lump in thread or cloth.
Wood of a mottled veneer, usually cut from such a growth.
A tree growth in which the grain has grown in a deformed manner; a burr knot.
To remove the knots in cloth.
A thrombus, solidified mass of blood.
A solidified mass of any liquid.
A silly person.
To form a clot or mass.
To cause to clot or form into a mass.