Dictionary entry

Compeer

Webster's Dictionary 1913

Com‐peer″ (?), [OE. comper, through French fr. L. compar; com- + par equal. See Peer an equal, and cf. 1st Compare.] An equal, as in rank, age, prowess, etc.; a companion; a comrade; a mate.

And him thus answer'd soon his bold compeer.

Milton.

His compeer in arms.

Ford.