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Achelous

British

/ ˌækɪˈləʊəs /

noun

classical myth a river god who changed into a snake and a bull while fighting Hercules but was defeated when Hercules broke off one of his horns

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The plan includes diverting two tributaries of the River Achelous in western Greece, in addition to drilling and desalination projects.

From Barron's • Nov. 29, 2025

The 500-million-euro Achelous tributary project is to be completed by 2029.

From Barron's • Nov. 29, 2025

The Bulgarian Empire won a decisive victory in the Battle of Achelous on this day in 917.

From Slate • Aug. 20, 2018

Achelous arched his back as if contemplating a trick.

From "The Mark of Athena" by Rick Riordan

Achelous took the form of a bull and attacked him fiercely, but Hercules was used to subduing bulls.

From "Mythology: Timeless Tales of Gods and Heroes" by Edith Hamilton

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023