/kay brah"choh/ ; Sp. /ke vrddah"chaw/ , n. , pl. quebrachos /-chohz/ ; Sp. /-chaws/ .
1. any of several tropical American trees of the genus Schinopsis, having very hard wood, esp. S. lorentzii, the wood and bark of which are important in tanning and dyeing.
2. a tree, Aspidosperma quebrachoblanco, of the dogbane family, yielding a medicinal bark.
3. the wood or bark of any of these trees.
[ 1880-85; ]