ruby: Meaning and Definition of

ru•by

1. a red variety of corundum, used as a gem.
2. something made of this stone or one of its imitations, as a bearing in a watch.
3. a deep-red port wine.
4. deep red; carmine.
5. a 5-point type, nearly corresponding in size to American agate.

1. ruby-colored: ruby lips.
2. containing or set or adorned with a ruby or rubies: a ruby necklace.

Ru•by

1. a female given name.