Mars

noun
\ ˈmärz How to pronounce Mars (audio) \

Definition of Mars

1 : the Roman god of war — compare ares
2 : the planet fourth in order from the sun and conspicuous for its red color — see Planets Table

First Known Use of Mars

14th century, in the meaning defined at sense 1

History and Etymology for Mars

Latin Mart-, Mars

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Time Traveler for Mars

The first known use of Mars was in the 14th century

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More Definitions for Mars

Mars

noun

English Language Learners Definition of Mars

: the planet that is fourth in order from the sun

Mars

noun
\ ˈmärz How to pronounce Mars (audio) \

Kids Definition of Mars

: the planet that is fourth in order of distance from the sun, is known for its redness, and has a diameter of about 4200 miles (6800 kilometers)

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More from Merriam-Webster on Mars

Rhyming Dictionary: Words that rhyme with Mars

Spanish Central: Translation of Mars

Nglish: Translation of Mars for Spanish Speakers

Britannica English: Translation of Mars for Arabic Speakers

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an enemy or opponent

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