plural rubies
1
a
: a precious stone that is a red corundum
b
: something (such as a watch bearing) made of ruby
2
a
: the dark red color of the ruby
b
: something resembling a ruby in color
: of the color ruby
Examples of ruby in a Sentence
Recent Examples on the Web
Lauren Fisher,
Footwear News,
26 June 2026
The pink universe combines rubies and pink sapphires.
—
Richard Mille Contributor,
Forbes.com,
25 June 2026
Cnt Editors,
Condé Nast Traveler,
15 Dec. 2025
The Institute of Agriculture notes that there are a few hummingbirds that surface between November and late March in Tennessee and other Southern states, but these birds are not typically ruby-throat hummingbirds.
—
Jordan Green,
Nashville Tennessean,
21 Aug. 2025
See All Example Sentences for ruby
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Noun
While sapphires, emeralds and rubies have long dominated the colored gemstone category, consumers are turning to spinel, alexandrite, tourmaline and parti sapphires.
—
Lauren Fisher,
Footwear News,
26 June 2026
The pink universe combines rubies and pink sapphires.
—
Richard Mille Contributor,
Forbes.com,
25 June 2026
Adjective
Next to the ruby-red Majorelle bar, L’Asiatique restaurant, with its Ming Dynasty–style chairs and black lacquer tables, is a vision of Deco decadence.
—
Cnt Editors,
Condé Nast Traveler,
15 Dec. 2025
The Institute of Agriculture notes that there are a few hummingbirds that surface between November and late March in Tennessee and other Southern states, but these birds are not typically ruby-throat hummingbirds.
—
Jordan Green,
Nashville Tennessean,
21 Aug. 2025
See All Example Sentences for ruby
Cite this Entry
“Ruby.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ruby. Accessed 6 Jul. 2026.
Copy CitationKids Definition
ruby
1 of 2 noun
ru·by
ˈrü-bē 
plural rubies
1
: a precious stone of a deep red color
2
: the dark red color of the ruby
ruby
2 of 2 adjective
: dark red in color
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