ˌpalōˈsanˌtō, ˌpälōˈsän- noun
Etymology: American Spanish, literally, holy tree
: any of several So. American trees esteemed locally for medicinal or other special properties ; especially : a tree ( Bulnesia sarmienti ) of the family Zygophyllaceae occurring in dry interior regions of Argentina and Paraguay and having a resinous heartwood used for incense — see guaiac wood