INK

Ink ( n. ) - A fluid, or a viscous material or preparation of various kinds (commonly black or colored), used in writing or printing.

Ink ( n. ) - A pigment. See India ink, under India.

Ink ( n. ) - The step, or socket, in which the lower end of a millstone spindle runs.

Ink ( v. t. ) - To put ink upon; to supply with ink; to blacken, color, or daub with ink.