from The American Heritage® Dictionary of the English Language, 4th Edition
- A river of central Italy rising in the northern Apennines and flowing about 241 km (150 mi) to the Ligurian Sea. Flooding of the Arno has caused severe damage to art treasures in Florence.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- proper n. A river in Tuscany that flows through Pisa and Florence.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a river in central Italy rising in the Apennines and flowing through Florence and Pisa to the Ligurian Sea
Sorry, no etymologies found.