Definition of cosmonaut
: an astronaut of the Soviet or Russian space program
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Recent Examples of cosmonaut from the Web
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The Apollo 15 mission also left a small aluminum memorial to honor U.S. astronauts and Soviet cosmonauts killed in the pursuit of space exploration.
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In April 1961, Soviet cosmonaut Yuri Gagarin was the first human to visit outer space, in a spacecraft that orbited Earth.
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The first human to venture into outer space was Soviet cosmonaut Yuri Gagarin, who orbited Earth in a spacecraft in April 1961.
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After Soviet cosmonaut Yuri Gagarin became the first human in space in 1961, President John F. Kennedy asked the council to draft a report on where the United States stood in comparison.
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In 2015, Russian cosmonauts flew the Night Wolves' flag above the International Space Station.
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The Night Wolves played a role in the Ukrainian uprising, once had their flag flown in outer space by Russian cosmonauts and are under U.S. sanctions.
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In 2015, Russian cosmonauts flew the Night Wolves’ flag above the International Space Station.
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The Night Wolves played a role in the Ukrainian uprising, once had their flag flown in outer space by Russian cosmonauts and are under U.S. sanctions.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'cosmonaut.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of cosmonaut
Russian kosmonavt, from Greek kosmos + Russian -navt (as in aeronavt aeronaut)
COSMONAUT Defined for English Language Learners
cosmonaut
playDefinition of cosmonaut for English Language Learners
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: an astronaut in the space program of Russia or the former Soviet Union
COSMONAUT Defined for Kids
cosmonaut
playDefinition of cosmonaut for Students
: an astronaut in the space program of Russia or the former Soviet Union
Learn More about cosmonaut
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See words that rhyme with cosmonaut Spanish Central: Translation of cosmonaut Nglish: Translation of cosmonaut for Spanish speakers Britannica.com: Encyclopedia article about cosmonaut
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