n.[C]

1. 说话者；演讲者；演说家
   The chairman introduced the speaker to the audience.

   主席将演讲人介绍给听众。

2. 讲（某种）语言的人
   He is a speaker of French.

   他说法文。

3. （大写）（英国下议院，美国众议院）议长[the S]
   There were rumors that he would resign as Speaker after 1982.

   谣传他将在一九八二年后辞去议长的职务。

4. 扬声器，喇叭，扩音机
   The left-hand speaker doesn't seem to be working.

   左手的扬声器看样子失灵了。

5. 【美】练习演讲用的范本

n.

1. a person who speaks, especially at a formal occasion.
2. (Speaker) the presiding officer in a legislative assembly, especially the House of Commons.
3. short for loudspeaker.