Pronunciation: (al-sī'u-nyOOs", -nus), [key]
—n. Class. Myth.
1. a giant who threw a stone at Hercules and was killed when Hercules hit the stone back with his club.
2. a giant who, invulnerable in his own country, was dragged by Hercules to another country and there killed.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.