Pronunciation: (hel'u-nu; for 3 also hu-lē'nu), [key]
1. Saint, c247–c330, mother of Constantine I.
2. a city in and the capital of Montana, in the W part. 23,938.
3. a female given name, form of Helen.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.