rare. [agent-n. f. L. stem concess-: see CONCESSION and -OR. Cf. mod. F. concesseur.] One who concedes.
1660. R. Sheringham, King’s Suprem. Asserted, vii. (1682), 64. [However] authority be granted by the Concessor to the Concessary.
1888. Blackw. Mag., 886. An eager recipient of favour from both sides, and a grudging concessor to either.
