- 1[countable, uncountable] what you see when you cut through the middle of something so that you can see the different layers it is made of; a drawing of this view a diagram representing a cross section of the human eye the human eye in cross section
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- 2[countable, usually singular] a group of people or things that are typical of a larger group a representative cross section of society a wide cross section of the population a broad cross section of opinion
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