n. - The act of defining; determination of the limits; as, a telescope accurate in definition.
n. - Act of ascertaining and explaining the signification; a description of a thing by its properties; an explanation of the meaning of a word or term; as, the definition of "circle;" the definition of "wit;" an exact definition; a loose definition.
n. - Description; sort.
n. - An exact enunciation of the constituents which make up the logical essence.
n. - Distinctness or clearness, as of an image formed by an optical instrument; precision in detail.