noun
Etymology: Middle English diffinicioun, from Anglo-French, from Latin definition-, definitio, from definire
Date: 14th century
an act of determining,
2. a statement expressing the essential nature of something, a statement of the meaning of a word or word group or a sign or symbol , a product of defining, the action or process of defining,
4. the action or the power of describing, explaining, or making definite and clear , b. clarity of visual presentation ; distinctness of outline or detail , clarity especially of musical sound in reproduction, sharp demarcation of outlines or limits , definitional adjective