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English definition of “illustrate”

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illustrate

verb [T] uk   /ˈɪl.ə.streɪt/ us  

illustrate verb [T] (DRAW PICTURES)

B2 to draw pictures for a book, magazine, etc.: a beautifully illustrated book/old manuscript

illustrate verb [T] (EXPLAIN)

C1 to show the meaning or truth of something more clearly, especially by giving examples: The lecturer illustrated his point with a diagram on the blackboard. This latest conflict further illustrates the weakness of the UN. [+ question word] The exhibition will illustrate how life evolved from water.
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(Definition of illustrate from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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