a1439 J. Lydgate (Bodl. 263) iv. 2488 (MED) Moordreris..poisounmongeris, & enchaunteressis..Alle thes muste han..short liff.
1774 E. Long II. 590 The science of physic, when taken out of the hands of such poison-mongers, is truly noble.
1990 (Mod. Lang. Assoc. Amer.) 36/1 The poisonmonger keeps sending word that Socrates should shut up.