cosmonaut
noun
cos·mo·naut ˈkäz-mə-ˌnȯt 
-ˌnät
: an astronaut of the Soviet or Russian space program
Example Sentences
Recent Examples on the Web Krikalev is a former cosmonaut who is well-known to NASA and trusted by the agency's senior leadership. 
Eric Berger, Ars Technica, 4 Aug. 2022 The work of an artists’ collective known as the Fighting Pencil, it was inspired by a remark from cosmonaut Gherman Titov. Mark Feeney, BostonGlobe.com, 19 July 2022 That same month, Russian cosmonaut, Anna Kikina, will join two Americans and one Japanese aboard a SpaceX rocket flying from Florida. Marcia Dunn, Orlando Sentinel, 15 July 2022 Around the same time, Russian cosmonaut Anna Kikina is due to fly on a SpaceX Crew Dragon vehicle to the station as part of the seat swap. Eric Berger, Ars Technica, 7 July 2022 Even before that philanthropic gesture, San Antonians knew the Alamo Heights shop for its sidewalk cafe setting and a rainbow of cheesecakes in little screwtop jars with the face of the beloved cosmonaut dog Laika on the lid. Mike Sutter, San Antonio Express-News, 23 Mar. 2022 The current record for the longest continuous stay in space is held by the cosmonaut Valeri Polyakov. David W. Brown, Scientific American, 27 Jan. 2022 The chief of Roscosmos said Wednesday that the agency has selected the first cosmonaut to go on a SpaceX commercial crew mission to the International Space Station. Eric Berger, Ars Technica, 10 Dec. 2021 Roscosmos is putting cosmonaut Anna Kikina on SpaceX's September flight, and Andrei Fedyaev will fly on another SpaceX mission in the spring of 2023, according to NASA. Jackie Wattles And Uliana Pavlova, CNN, 15 July 2022 See More
Eric Berger, Ars Technica, 4 Aug. 2022 The work of an artists’ collective known as the Fighting Pencil, it was inspired by a remark from cosmonaut Gherman Titov. Mark Feeney, BostonGlobe.com, 19 July 2022 That same month, Russian cosmonaut, Anna Kikina, will join two Americans and one Japanese aboard a SpaceX rocket flying from Florida. Marcia Dunn, Orlando Sentinel, 15 July 2022 Around the same time, Russian cosmonaut Anna Kikina is due to fly on a SpaceX Crew Dragon vehicle to the station as part of the seat swap. Eric Berger, Ars Technica, 7 July 2022 Even before that philanthropic gesture, San Antonians knew the Alamo Heights shop for its sidewalk cafe setting and a rainbow of cheesecakes in little screwtop jars with the face of the beloved cosmonaut dog Laika on the lid. Mike Sutter, San Antonio Express-News, 23 Mar. 2022 The current record for the longest continuous stay in space is held by the cosmonaut Valeri Polyakov. David W. Brown, Scientific American, 27 Jan. 2022 The chief of Roscosmos said Wednesday that the agency has selected the first cosmonaut to go on a SpaceX commercial crew mission to the International Space Station. Eric Berger, Ars Technica, 10 Dec. 2021 Roscosmos is putting cosmonaut Anna Kikina on SpaceX's September flight, and Andrei Fedyaev will fly on another SpaceX mission in the spring of 2023, according to NASA. Jackie Wattles And Uliana Pavlova, CNN, 15 July 2022 See More Word History
Etymology
Russian kosmonavt, from Greek kosmos + Russian -navt (as in aeronavt aeronaut)
First Known Use
1955, in the meaning defined above
Kids Definition
cosmonaut
noun
cos·mo·naut ˈkäz-mə-ˌnȯt
: an astronaut in the space program of Russia or the former Soviet Union