Definitions

1. noun

A Russian spacecraft, especially one of the crewed vehicles used for spaceflight.

“The Soyuz spacecraft successfully docked with the International Space Station.”

2. proper noun

The Soyuz Programme, a Soviet/Russian spaceflight programme that was established in 1966.

“The Soyuz Programme has played a significant role in the development of space exploration.”

3. noun

A union or alliance, especially a socialist or communist organization.

“The workers formed a soyuz to negotiate better working conditions.”