[f. THANK v. + -ER1.] One who thanks.
a. 1591. H. Smith, Serm. (1637), 132. Moe have gone away speeders, then have gone away thankers.
1800. Coleridge, Wallenstein, IV. ii. 111. The devil take such thankers!
1844. Browning, Colombes Birthday, II. Stay, Sabyne; let me hasten to make sure Of one true thanker.