Synonyms for River Avon (same or very similar meaning)
WordNet sense 1 (a river in southwestern England rising in Gloucestershire and flowing through Bristol to empty into the estuary of the Severn):
Avon
WordNet sense 2 (a river in central England that flows through Stratford-on-Avon and empties into the Severn):
Upper Avon, Upper Avon River
From the ODE community, based on WordNet
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