from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Either of two South American trees, Aspidosperma quebracho-blanco whose bark is used in medicine, or Schinopsis lorentzii whose wood is one of the richest sources of tannin.
- n. The bark or wood of either of these trees.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A Chilean apocynaceous tree, Aspidosperma quebracho
from the GNU version of the Collaborative International Dictionary of English
- n. A Chilian apocynaceous tree (Aspidosperma Quebracho); also, its bark, which is used as a febrifuge, and for dyspnœa 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.
from The Century Dictionary and Cyclopedia
- n. The name of several hard-wooded South American trees of economic value.
The word "quebracho" (pronounced KAYBRATSHO) signifies axe-breaking, and even modern tools do not retain their edge long when working on this wood.
To the right is a large pit, filled with the smoky aroma of quebracho a red hardwood, which has been slowly turning into embers for the past hour-and-a-half.
Ischigualasto-Talampaya has a sparse vegetation characterized by xeric shrubs and cactus, and mesquite Prosopis sp. and quebracho Aspidosperma sp. trees.
Collection of the quebracho blanco has also been a problem; it is often used to make carbon, and its bark is used for medicine.
The forests are composed of quebracho colorado (Schinopsis balansae) and quebracho blanco (Apidosperma quebracho-blanco).
The quebracho colorado has been very exploited for its hard, almost imperishable wood, which has been used to make railroad ties and posts.
Plants more commonly associated with this ecoregion include Aspidosperma quebracho-blanco, Prosopis flexuosa, Ziziphus mistol, and Opuntia spp ..
The original spiny forest contained species such as Acacia caven, Prosopis aplataco, Dodonea viscosa, with some regions including species such as Schinopsis haenckeana and Aspidosperma quebracho colorado.
The bark and extract of the quebracho, a South American tree, are being imported for use in tanning, and are still further reducing the drain on our own forests.
As we got further away, we came upon many more of these streams, all looking much the same; some had bridges over them made of quebracho logs, laid endways on and covered with earth, very dangerous to cross after wet weather or floods, especially at night, as they are generally full of holes where the earth has fallen in.