command module

noun

: a space vehicle module designed to carry the crew, the chief communication equipment, and the equipment for reentry

Examples of command module in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The fire, the spokesman said, started in the interior of the conical command module and was confined within the cabin section. Orlando Sentinel Staff, The Orlando Sentinel, 26 Jan. 2026 Collins stayed in the command module, orbiting the moon alone. Rodger Dean Duncan, Forbes.com, 8 Jan. 2026 Ronald Evans, also a Navy captain, was the pilot of the command module. Arizona Republic, AZCentral.com, 19 Dec. 2025 Separately, the Kennedy Space Center Visitor Complex also displays the hatches from the Apollo 1 command module that prevented three astronauts from escaping a fire in the capsule during a 1967 test on the launch pad. Robert Pearlman, ArsTechnica, 15 Sep. 2025 See All Example Sentences for command module

Word History

First Known Use

1962, in the meaning defined above

Time Traveler
The first known use of command module was in 1962

Browse Nearby Words

Cite this Entry

“Command module.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/command%20module. Accessed 4 Feb. 2026.

Kids Definition

command module

noun
: part of a space vehicle designed to carry the crew, the chief communications equipment, and the equipment for return to Earth's atmosphere
Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster