speak‧er S2 W2 / spikə $ -ər / 名词 [可数名词]

1 someone who makes a formal speech to a group of people

speaker at

the guest speaker at the conference

The keynote speaker (= main or most important speaker ) was Robert Venturi, the architect.

after-dinner speaker (= someone who makes a speech after a formal meal )

2 someone who speaks a particular language

French-speaker/Spanish-speaker etc

speaker of

Some English words are difficult for speakers of other languages.

a native speaker of Chinese

3

the part of a radio, sound system etc where the sound comes out

4 formal someone who says something :

Pay attention to the body language of the speaker.

5 the Speaker an official who controls discussions in a parliament

6 the Speaker of the House the politician who controls discussions in the House of Representatives in the US Congress

COLLOCATIONS

ADJECTIVES/NOUN + speaker

a public speaker He was a good public speaker.

an after-dinner speaker (= someone who makes speeches after formal meals ) As every after-dinner speaker knows, a joke or two is always much appreciated.

the guest speaker The guest speaker will be the Secretary of State for Health.

the keynote/main speaker (= the most important speaker ) the keynote speaker at the seminar, Dr Paul Messina