Pronunciation: (ō-mē'gu, ō-mā'-, ō-meg'u), [key]
1. the 24th and last letter of the Greek alphabet (Ω, ω).
2. the vowel sound represented by this letter.
3. the last of any series; the end.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.