Dictionary.net

• One who boasts of his skill in medicines and salves, or of the efficacy of his prescriptions; a charlatan; a quack; a mountebank.

2010 - New Age Dictionary Database
By Oddity Software

• One who boasts of his skill in medicines and salves, or of the efficacy of his prescriptions; a charlatan; a quack; a mountebank.

1913 - Webster's Revised Unabridged Dictionary
By Noah Webster.