- the root of an East Indian plant, Merremia (or Operculina) turpethum, of the morning glory family, formerly used as a purgative.
- the plant itself.
Origin of turpeth
1350–1400; < Medieval Latin turpethum < Arabic turbid < Persian; akin to Sanskrit tripuṭā; replacing Middle English turbit(h)(e) < Old French turbit(h) < Arabic turbid, as above
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for turpeth
(10 grains)—Christison; and Turpeth mineral has proved fatal in doses of 2·6 grms.
Ethiops mineral and Turpeth mineral are given to dogs when affected by the distemper, worms, or the mange.
As one grain of turpeth mineral (vitriolic calx of mercury) mixed with ten grains of fine sugar.
Turpeth mineral in the quantity of one grain mixed with ten grains of sugar answers every purpose to be expected from errhines.
- a convolvulaceous plant, Operculina turpethum, of the East Indies, having roots with purgative properties
- the root of this plant or the drug obtained from it
C14: from Medieval Latin turbithum, ultimately from Arabic turbid