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Achates

American  
[uh-key-teez] / əˈkeɪ tiz /

noun

  1. (in theAeneid ) the faithful companion and friend of Aeneas.

  2. a faithful friend or companion.

Achates British  
/ əˈkeɪtiːz /

noun

  1. classical myth Aeneas' faithful companion in Virgil's Aeneid

  2. a loyal friend

"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

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

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.