Definition of "competitor"

competitor

/kəm.ˈpɛt.ɪ.təɹ/

noun
plural competitors
1. A person or organization against whom one is competing.
2. A participant in a competition, especially in athletics.
3. (obsolete) Partner, associate, one working with another toward a common goal.
  Quotations
  Ioine with me now in this my meane eſtate, […] And when my name and honor ſhall be ſpread,As far as Boreas claps his braſen wings,Or faire Botëes ſends his cheerefull light.Then ſhalt thou be Competitor with me,And ſit with Tamburlaine in all his maieſtie.
  c. 1587–1588, [Christopher Marlowe], Tamburlaine the Great. […] The First Part […], 2nd edition, part 1, London: […] [R. Robinson for] Richard Iones, […], published 1592; reprinted as Tamburlaine the Great (A Scolar Press Facsimile), Menston, Yorkshire, London: Scolar Press, 1973, (please specify the page)