[ uh-roh-buh; Spanish and Portuguese ahr-raw-bah ]
/ əˈroʊ bə; Spanish and Portuguese ɑrˈrɔ bɑ /

noun, plural ar·ro·bas [uh-roh-buh z; Spanish and Portuguese ahr-raw-bahs] /əˈroʊ bəz; Spanish and Portuguese ɑrˈrɔ bɑs/.

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.
a unit of liquid measure of varying value, used especially in Spain and commonly equal (when used for wine) to 4.26 U.S. gallons (16.1 liters).

Nearby words

  1. arriviste,
  2. arrivé,
  3. arrière-ban,
  4. arrière-garde,
  5. arrière-pensée,
  6. arrogance,
  7. arrogance of power,
  8. arrogant,
  9. arrogate,
  10. arrogation

Origin of arroba

1590–1600; < Spanish < Arabic al rubʿ the fourth part, i.e., a quarter of the qintār; see quintal Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for arroba

British Dictionary definitions for arroba


/ (əˈrəʊbə) /

noun plural -bas

a unit of weight, approximately equal to 11 kilograms, used in some Spanish-speaking countries
a unit of weight, approximately equal to 15 kilograms, used in some Portuguese-speaking countries
a liquid measure used in some Spanish-speaking countries with different values, but in Spain used as a wine-measure, approximately equal to 16 litres

Word Origin for arroba

C16: from Spanish, from Arabic ar-rub` the quarter (of a quintal)

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012