1 [C] (abbr m) a measure of length; 100 centimetres 米（长度单位，1米等于100厘米）: a two-metre high wall 两米高的墙Who won the 100 metres? 谁赢了100米赛跑？

2 metres used in the name of races （用于赛跑的名称）: She came second in the 100 metres. 她在100米赛跑得第二名。

3 [uc] the arrangement of strong and weak STRESSES (= the force that you put on a particular word or part of a word when you speak) in lines of poetry that produces the rhythm; a particular example of this （诗歌的）韵律，格律