[f. SUPERSEDE v. + -ER1.] One who or that which supersedes.
1786. Mme. D’Arblay, Diary, 25 Sept. My presidency was abolished … by the sudden return of its rightful superseder.
1835. Browning, Paracelsus, IV. 346. The delights you fain would think The superseders of your nobler aims.
1881. G. Allen, Colin Clout’s Calendar, v. (1883), 28. The remaining ganoids, sharks, and lampreys all show signs of depending mainly upon smell, their modern superseders show signs of depending mainly upon sight.
