/brddah"thah, -sah/ , n. , pl. brazas /-thahs, -sahs/ .
a unit of length in some Spanish-speaking countries, representing the reach of outspread arms, officially 5.48 U.S. ft. (1.67 m) in Spain and 5.68 U.S. ft. (1.73 m) in Argentina.
[ brachia arms (neut. pl.), taken as fem. sing.; see BRACE ]