nounWord forms: plural queˈbrachos
1. a tropical American tree (Schinopsis lorentzii) of the cashew family, whose hard wood yields an extract used in tanning
2. a South American tree (Aspidosperma quebracho-blanco) of the dogbane family, whose bark yields alkaloids formerly used in medicine
3. the wood or bark of either of these trees
Webster’s New World College Dictionary, Fourth Edition, compiled by the
editors of Webster’s New World Dictionaries. Copyright © 2010 by Houghton
Mifflin Harcourt. Published by Houghton Mifflin Harcourt. All rights reserved.
Word origin of 'quebracho'AmSp, contr. < quiebrahacha, lit., ax breaker (because of the hardness of the wood) < quebrar, to break + hacha, ax