1

ruby

play
noun ru·by \ˈrü-bē\

Definition of ruby

plural

rubies

  1. 1a :  a precious stone that is a red corundumb :  something (such as a watch bearing) made of ruby

  2. 2a :  the dark red color of the rubyb :  something resembling a ruby in color

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 ru·by

Definition of ruby

  1. :  of the color ruby

First Known Use of ruby

15th century


RUBY Defined for English Language Learners

ruby

play
noun

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

play
noun ru·by \ˈrü-bē\

Definition of ruby for Students

plural

rubies

  1. 1 :  a gemstone of a deep red color

  2. 2 :  a deep purplish red



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