from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Greek Mythology The hero of Homer's Iliad, the son of Peleus and Thetis and slayer of Hector.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- proper n. semi-divine hero, son of Peleus and the nymph Thetis, prince and leader of the Myrmidons; great warrior of the Achaean (Greek) camp, killed in the Trojan War; central character of the Iliad.
from the GNU version of the Collaborative International Dictionary of English
- n. a mythical Greek hero of the Iliad; a foremost Greek warrior at the seige of Troy.
from The Century Dictionary and Cyclopedia
- n. An argument, otherwise called ‘Achilles and the Tortoise,’ which was proposed by Zeno of Elea to prove that motion is impossible.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a mythical Greek hero of the Iliad; a foremost Greek warrior at the siege of Troy; when he was a baby his mother tried to make him immortal by bathing him in a magical river but the heel by which she held him remained vulnerable--his `Achilles' heel'
From Latin Achilles, from Ancient Greek Ἀχιλλεύς (Akhilleus). (Wiktionary)