Meaning of DEFINITION in English

DEFINITION

/ ˌdefɪˈnɪʃn; NAmE / noun

1.

[ C , U ] an explanation of the meaning of a word or phrase, especially in a dictionary; the act of stating the meanings of words and phrases :

clear simple definitions

Neighbours by definition live close by (= this is what being a neighbour means) .

2.

[ C ] what an idea, etc. means :

What's your definition of happiness?

3.

[ U ] the quality of being clear and easy to see :

The definition of the digital TV pictures is excellent.

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WORD ORIGIN

late Middle English : from Latin definitio(n-) , from the verb definire set bounds to, from de- (expressing completion) + finire finish

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.