[f. ASSUME v. + -ER1.] One who assumes or takes to himself; who makes claims, pretensions or suppositions.
1600. Chapman, Iliad, XIII. 350. A lance that singled out this great assumer.
1657. Tomlinson, Renous Disp., 170. They doe not commaculate the fingers of the assumer.
1875. Whitney, Life Lang., x. 196. Enough to exclude the assumer from the ranks of scientific linguists.