1

ruby

noun ru·by \ ˈrü-bē \
|Updated on: 6 Aug 2018

Definition of ruby

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

Recent Examples of ruby from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'ruby.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of ruby

Middle English, from Anglo-French rubi, rubin, from Medieval Latin rubinus, from Latin rubeus reddish; akin to Latin ruber red — more at red


2

ruby

adjective

Definition of ruby

: of the color ruby

Recent Examples of ruby from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'ruby.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of ruby

15th century

in the meaning defined above

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RUBY Defined for English Language Learners

ruby

Definition of ruby for English Language Learners

  • : a deep red stone that is used in jewelry

  • : a dark red color


RUBY Defined for Kids

ruby

noun ru·by \ ˈrü-bē \

Definition of ruby for Students

plural rubies
1 : a gemstone of a deep red color
2 : a deep purplish red


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