The arroba is a Spanish weight originally, to which no fixed standard can be assigned.    From Wordnik.com.  [Head Hunters of the Amazon: Seven Years of Exploration and Adventure] Reference

Just so you know in advance, the "@" symbol is called an "arroba", and it's made by keying ALT 6-4.    From Wordnik.com.  [Internet access in SMA (with or w/out Eggs Benedict)] Reference

One arroba in 15 million and 3 arrobas mean 5.120!.    From Wordnik.com.  [FIDEL DISCUSSES PROGRESS OF SUGAR HARVEST] Reference

I have always heard Mexicans call the @ the arroba.    From Wordnik.com.  [How do I type the sign arobat @] Reference

I have gotten used to calling it the arroba though.    From Wordnik.com.  [How do I type the sign arobat @] Reference

You have been able to see what it means -- what an arroba means.    From Wordnik.com.  [FIDEL DISCUSSES PROGRESS OF SUGAR HARVEST] Reference

Some 3,000 men can take care of that arroba for 900,000 animals.    From Wordnik.com.  [Castro Delivers Speech on ANAP Anniversary] Reference

For calculation purposes, an arroba means 1,700 tons in 15 million.    From Wordnik.com.  [FIDEL DISCUSSES PROGRESS OF SUGAR HARVEST] Reference

Generally seven reals, or 3s. 6d. per arroba of 25 lbs. is the price.    From Wordnik.com.  [Anahuac : or, Mexico and the Mexicans, Ancient and Modern] Reference

And the yields were more than 1 arroba below what they should have been.    From Wordnik.com.  [PREMIER CASTRO 20 MAY REPORT ON SUGAR HARVEST] Reference

One hundred thousand men cutting an extra arroba per day means 1,000 men.    From Wordnik.com.  [CASTRO LAUNCHES 10-MILLION TON SUGAR HARVEST] Reference

The yields were an arroba or more below what the sugar yields should have been.    From Wordnik.com.  [RETURNING FISHERMEN GIVEN HEROES' WELCOME] Reference

The first time I heard it called arroba was 1994 when I was doing research in TN.    From Wordnik.com.  [How do I type the sign arobat @] Reference

Of one, two, and three-tenths of a million-arroba cutters, there is a total of 316.    From Wordnik.com.  [MAY DAY CELEBRATION] Reference

In the case of sugarcane, they charge 1/2 arroba of sugar for each 6 arrobas produced.    From Wordnik.com.  [TELEVISION APPEARANCE ON CHANNEL 2] Reference

Three hundred thousand men who cut one more arroba per day means 3,000 more men per day.    From Wordnik.com.  [CASTRO LAUNCHES 10-MILLION TON SUGAR HARVEST] Reference

It can be almost said that with the same effort plus training he can cut one more arroba.    From Wordnik.com.  [CASTRO LAUNCHES 10-MILLION TON SUGAR HARVEST] Reference

We were grinding less; every arroba that we did not grind was an arroba that we had to grind later.    From Wordnik.com.  [PREMIER CASTRO 20 MAY REPORT ON SUGAR HARVEST] Reference

An arroba of 25 Spanish pounds = 11.49 kilogrammes.    From Wordnik.com.  [Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 3] Reference

Other denominations: 25 libras = 1 arroba; 4 arrobas =.    From Wordnik.com.  [The Philippine Islands, 1493-1803 — Volume 03 of 55 1569-1576 Explorations by Early Navigators, Descriptions of the Islands and Their Peoples, Their History and Records of the Catholic Missions, as Related in Contemporaneous Books and Manuscripts, Showing the Political, Economic, Commercial and Religious Conditions of Those Islands from Their Earliest Relations with European Nations to the Beginning of the Nineteenth Century] Reference

The price varies from sixteen to twenty piastres the arroba.    From Wordnik.com.  [Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 3] Reference

The price of sugar at the Havannah is always by the arroba of 25.    From Wordnik.com.  [Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 3] Reference

Oil — nineteen quartos the poynd, but by the arroba thirty-three reals.    From Wordnik.com.  [A journey through Spain in the years 1786 and 1787;] Reference

Chinese, sharpened by the reward of three reals given them for each arroba.    From Wordnik.com.  [The Philippine Islands, 1493-1898 — Volume 17 of 55 1609-1616 Explorations by Early Navigators, Descriptions of the Islands and Their Peoples, Their History and Records of the Catholic Missions, as Related in Contemporaneous Books and Manuscripts, Showing the Political, Economic, Commercial and Religious Conditions of Those Islands from Their Earliest Relations with European Nations to the Close of the Nineteenth Century] Reference

To both classes is given one arroba of Castilian wine, and flour for the mass.    From Wordnik.com.  [The Philippine Islands, 1493-1898 — Volume 22 of 55 1625-29 Explorations by early navigators, descriptions of the islands and their peoples, their history and records of the catholic missions, as related in contemporaneous books and manuscripts, showing the political, economic, commercial and religious conditions of those islands from their earliest relations with European nations to the close of the nineteenth century.] Reference

The wax is worth sixteen or twenty reals an arroba, and a jar of honey one real.    From Wordnik.com.  [The Philippine Islands, 1493-1898 — Volume 22 of 55 1625-29 Explorations by early navigators, descriptions of the islands and their peoples, their history and records of the catholic missions, as related in contemporaneous books and manuscripts, showing the political, economic, commercial and religious conditions of those islands from their earliest relations with European nations to the close of the nineteenth century.] Reference

The value of an arroba of gold is 15,000 Brazilian cruzados (each cruzado being 50 sous).    From Wordnik.com.  [Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 3] Reference

At seventy céntimos per arroba, the millions of arrobas that it must amount to in a year.    From Wordnik.com.  [The Quest] Reference

A great number of stone balls of the size of a leather bag, containing one arroba.    From Wordnik.com.  [Archeological Expedition to Arizona in 1895 Seventeenth Annual Report of the Bureau of American Ethnology to the Secretary of the Smithsonian Institution, 1895-1896, Government Printing Office, Washington, 1898, pages 519-744] Reference

102 lbs. English, and the arroba 25 1/2 lbs. English.    From Wordnik.com.  [Recollections of Manilla and the Philippines During 1848, 1849 and 1850] Reference