[agent-n. f. L. expectorāre: see EXPECTORATE.]
† 1. A medicine that promotes expectoration; = EXPECTORANT sb. Obs.
1671. Salmon, Syn. Med., III. xxii. 415. Bitter Vetch is an Expectorator.
1710. T. Fuller, Pharm. Extemp., 278. There are no such Things as Expectorators except Volatiles and Balsamics.
2. One who expectorates or spits; in quot. fig.
1835. Blackw. Mag., XXXVII. 112. Volumes of the slaver [= spittle] lettered with the name of the expectorator on the outside.