cross sectionBrE /ˈkrɒs sekʃn/ 🔊NAmE /ˈkrɔːs sekʃn/ 🔊 noun [countable, uncountable] what you see when you cut through the middle of sth so that you can see the different layers it is made of; a drawing of this view 横截面（图）；剖面（图）；断面（图）◆a diagram representing a cross section of the human eye表现人眼的剖面图◆the human eye in cross section 人眼的剖面图 [countable, usually singular] a group of people or things that are typical of a larger group 典型的一群人（或事物）◆a representative cross section of society一群具有代表性的社会典型人物