Longman Dictionary of Contemporary English homepage

Date: 1500-1600
Language: Latin
Origin: delineatus, from linea 'line'

delineate

 verb
     
de‧lin‧e‧ate [transitive] formal
1 to describe or draw something carefully so that people can understand it:
The document delineates your rights and your obligations.
2 to make the borders between two areas very clear:
The boundaries of these areas should be clearly delineated.
—delineation noun [uncountable]
Definition from the Longman Dictionary of Contemporary English
Advanced Learner's Dictionary.

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