Meaning of turpeth

tur•peth

Pronunciation: (tûr'pith), [key]
— n.
  1. the root of an East Indian plant, Merremia (or Operculina) turpethum, of the morning glory family, formerly used as a purgative.
  2. the plant itself.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.