1 one of the parts into which sth is divided 部份: the string section of an orchestra 管弦乐团的弦乐部份the financial section of a newspaper 报纸的财经版The library has an excellent reference section. 那个图书馆的参考书部藏书丰富。

2 a view or drawing of sth as if it was cut from the top to the bottom so that you can see the inside 纵切面: The illustration shows a section through a leaf. 这幅插图显示一片叶子的纵切面。