• IPA: /kəmˈpɪə(ɹ)/, /kɒmˈpɪə(ɹ)/

compeer (plural compeers)

1. (obsolete) The equal or peer of someone else; a close companion or associate.
   • 1667, John Milton, “Book 1”, in Paradise Lost. A Poem Written in Ten Books, London: Printed [by Samuel Simmons], and are to be sold by Peter Parker […] [a]nd by Robert Boulter […] [a]nd Matthias Walker, […], OCLC 228722708 ↗; republished as Paradise Lost in Ten Books: The Text Exactly Reproduced from the First Edition of 1667: […], London: Basil Montagu Pickering […], 1873, OCLC 230729554 ↗:

     And him thus answer'd soon his bold compeer.

compeer (compeers, present participle compeering; past and past participle compeered)

1. To be equal with; to match.
   • c. 1603–1606, William Shakespeare, “The Tragedie of King Lear”, in Mr. William Shakespeares Comedies, Histories, & Tragedies: Published According to the True Originall Copies (First Folio), London: Printed by Isaac Iaggard, and Ed[ward] Blount, published 1623, OCLC 606515358 ↗, [Act V, scene iii]:

     In my rights, / By me invested, he compeers the best.