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arroba

 - 2 dictionary results

ar⋅ro⋅ba

[uh-roh-buh; Sp. and Port. ahr-raw-bah]
–noun, plural -bas [-buhz; Sp. and Port. -bahs] .
1. a Spanish and Portuguese unit of weight of varying value, equal to 25.37 pounds avoirdupois (9.5 kilograms) in Mexico and to 32.38 pounds avoirdupois (12 kilograms) in Brazil.
2. a unit of liquid measure of varying value, used esp. in Spain and commonly equal (when used for wine) to 4.26 U.S. gallons (16.1 liters).

Origin:
1590–1600; < Sp < Ar al rubʿ the fourth part, i.e., a quarter of the qintār; see quintal
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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ar·ro·ba   (ə-rō'bə)   
n.  
  1. A unit of weight formerly used in Spanish-speaking countries, equal to about 11.3 kilograms (25 pounds).

  2. A unit of weight formerly used in Portuguese-speaking countries, equal to about 14.4 kilograms (32 pounds).

  3. A liquid measure formerly used in Spanish-speaking countries, having varying value but equal to about 16.2 liters (17 quarts) when used to measure wine.


[Spanish and Portuguese, both from Arabic ar-rub', the quarter (of a quintal) : al-, the + rub', quarter; see rbʕ in Semitic roots.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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