What is a plenary speaker?

[juliana0403]

Hi...

Please read the below dialogue.

A: What do you say we invite Professor Parker as a pleanry speaker?

B: I bet he'll be thrilled at the idea.

What does "pleanry speaker" means?

Thank you.

[Tdol]

A plenary speaker is a main speaker at a conference.

[BobK]

A plenary speaker is a main speaker at a conference.

Tdol's right of course - 'plenary' isn't the sort of speaker we're dealing with (he doesn't have the characteristic of 'plenarity' - if such a word can be said to exist). The 'plenary session' is the session where all the delegates come together.

b