Definition of participant in English:

participant

Syllabification: par·tic·i·pant
Pronunciation: /ˌpärˈtisəpənt
 
/

noun

A person who takes part in something: eager students would become firsthand participants in an archaeological exploration
More example sentences
  • Surely the participants in these discussions are the living proof of Boris's thesis.
  • It works as a conference call and the participants take part from the comfort of their own homes.
  • It is even more surprising when that person is engaged in the art of politics as an active participant.
Synonyms
participator, contributor, party, member;

Origin

late Middle English: from Latin participant-, literally 'sharing in', from the verb participare (see participate).

Definition of participant in: