Definition

n. explanation, meaning, interpretation (as of a word or term)

A definition is a statement of the meaning of a term, word or phrase. The term to be defined is known as the definiendum (Latin: that which is to be defined). The words which define it are known as the definiens (Latin: that which is doing the defining).
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n. definition, explanation, denotation, interpretation, meaning

n. definition

(n.)
The act of defining; determination of the limits; as, a telescope accurate in definition.
  

(n.)
Distinctness or clearness, as of an image formed by an optical instrument; precision in detail.
  

(n.)
Description; sort.
  

(n.)
An exact enunciation of the constituents which make up the logical essence.
  

(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.