The Collaborative International Dictionary
Terpin
Terpin \Ter"pin\, n. (Chem.) A white crystalline substance regarded as a hydrate of oil of turpentine.
Wiktionary
terpin
n. (context obsolete medicine English) Any of several preparations, primarily of terpineol, used medicinally
Wikipedia
Usage examples of "terpin".
But Radigund her selfe, when she espideSir Terpin, from her direfull doome acquit,So cruell doale amongst her maides dauide,T'auenge that shame, they did on him commit.