coss

Definitions

1. 1.A Hindoo measure of distance, varying from one and a half to two English miles. Whitworth.
2. 2.A thing (only in phrase below). Rule of Coss, an old name for Algebra. Etym: [It. regola di cosa rule of thing, the unknown quantity being called the cosa, or the thing.]

Source: Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).

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• What does "coss" mean?

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Definition-first questions whose answer is coss.

• What is a Hindoo measure of distance, varying from one and a half to two English miles. Whitworth called?
• What is a thing (only in phrase below). Rule of Coss, an old name for Algebra. Etym: [It. regola di cosa rule of thing, the unknown quantity being called the cosa, or the thing.] called?