n. The twenty-fourth letter of the Classical and the Modern Greek alphabet, and the twenty-eighth letter of the Old and the Ancient Greek alphabet, i.e. the last letter of every Greek alphabet. Uppercase version: Ω; lowercase: ω.
n. The end; the final, last or ultimate in a series.
the GNU version of the Collaborative International Dictionary of English
n. The last letter of the Greek alphabet. See alpha.
n. The last; the end; hence, death.
The Century Dictionary and Cyclopedia
n. The last letter of the Greek alphabet (Ω, ω); hence, figuratively, the last of anything.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. the last (24th) letter of the Greek alphabet
n. the ending of a series or sequence
Word Usage
"Fish that are rich in omega-3s and are low-risk include salmon, shrimp, canned light tuna (limit white tuna to 6 ounces a week), sardines, pollock, catfish and tilapia."