Definition of mountebank

• n. - One who mounts a bench or stage in the market or other public place, boasts of his skill in curing diseases, and vends medicines which he pretends are infalliable remedies; a quack doctor.
• n. - Any boastful or false pretender; a charlatan; a quack.
• v. t. - To cheat by boasting and false pretenses; to gull.
• v. i. - To play the mountebank.