QUEBRACHO
Etymology
Noun
quebracho (countable and uncountable, plural quebrachos)
Any of several trees of southern South America with produce very hard wood rich in tannin, especially those of the genus Schinopsis.
The bark of these trees, formerly used in treating fever.
Source: Wiktionary
Que*bra"cho, n. Etym: [Sp.] (Bot.)
Definition: A Chilian apocynaceous tree (Aspidosperma Quebracho); also, its
bark, which is used as a febrifuge, and for dyspnoea of the lung, or
bronchial diseases; -- called also white quebracho, to distinguish it
from the red quebracho, a Mexican anacardiaceous tree (Loxopterygium
Lorentzii) whose bark is said to have similar properties. J. Smith
(Dict. Econ. Plants).
Source: Webster’s Unabridged Dictionary 1913 Edition