Chaparajos

• (n. pl.) Overalls of sheepskin or leather, usually open at the back, worn, esp. by cowboys, to protect the legs from thorny bushes, as in the chaparral; -- called also chapareras or colloq. chaps.
Found on http://thinkexist.com/dictionary/meaning/chaparajos/

Chaparajos

Cha`pa·ra'jos noun plural [ Mex. Spanish ] Overalls of sheepskin or leather, usually open at the back, worn, esp. by cowboys, to protect the legs from thorny bushes, as in the chaparral; -- called also chapareras or colloquial chaps . [ Spanish Amer.]
Found on http://www.encyclo.co.uk/webster/C/54
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