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

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Achelous

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

From Barron's ● Nov. 29, 2025

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

From Slate ● Aug. 20, 2018

Or maybe Achelous was just too surprised to think straight.

From "The Mark of Athena" by Rick Riordan

“Hercules wants my other horn in order to humiliate me,” Achelous said.

From "The Mark of Athena" by Rick Riordan

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