Meaning of palo santo

pal•o san•to

Pronunciation: (pal'ō san'tō), [key]
  1. a South American tree, Bulnesia sarmienti, of the caltrop family, yielding a fragrant essential oil.
  2. a tropical American tree, Triplaris americana, of the buckwheat family, having large leaves and showy red female flowers.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.