Arno

American  

[ahr-noh, ahr-naw] / ˈɑr noʊ, ˈɑr nɔ /

noun

1. Peter Curtis Arnoux Peters, 1904–68, U.S. cartoonist and author.

2. a river flowing W from central Italy to the Ligurian Sea. 140 miles (225 km) long.

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Arno British  

/ ˈɑːnəʊ /

noun

1. a river in central Italy, rising in the Apennines and flowing through Florence to the Ligurian Sea. Length: about 240 km (150 miles)

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Example Sentences

The old guard held that the universe was eternal and unchanging, but in 1965 Arno Penzias and Robert Woodrow Wilson discovered the faint background radiation left over from the cosmos’ earliest moments.

From The Wall Street Journal • May 19, 2026

Volkswagen finance boss Arno Antlitz warned that the group's profit margin was "not sufficient in the long run" and said that further cost-cutting was needed.

From BBC • Mar. 10, 2026

Greg Torosian and Arno Vardanyan are also seeking third titles for the Patriots in boys.

From Los Angeles Times • Feb. 14, 2026

The province's president Arno Kompatscher told AFP that place names were bilingual out of "respect for people's sensitivities" in an area with a turbulent history.

From Barron's • Feb. 2, 2026

I talked with Arno outside the QWL building.

From "Newjack: Guarding Sing Sing" by Ted Conover