The Oxford Thesaurus An A-Z Dictionary of Synonyms - definitionn.

1) delineation, delimitation, demarcation, outlining; acutance, resolution, distinctness, clarity, sharpness, focus, precision: The definition at the edge of the photograph is fuzzy. 2) description, explanation, explication, clarification, statement (of meaning) , sense, meaning: How many definitions are there for the word 'good'?