Pronunciation: (an-sē'us), [key]
—n. Class. Myth.
1. a son of Poseidon who joined the Argonauts and became helmsman of the Argo.
2. a descendant of Lycurgus who, among the Argonauts, was second in strength only to Hercules.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.