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

This plug protected one of the 59 screws attaching the aft heatshield to the Apollo 8 command module in December 1968. — Popular Science Team, Popular Science, 16 July 2026

Another sale highlight, and the only item other than the pen and switch set to sell for six figures, was the pressure hatch from the Skylab III command module, flown to and from the United States’ first space station in 1974. — Robert Pearlman, ArsTechnica, 15 July 2026

Four days later, Armstrong and Aldrin stepped onto the lunar surface as fellow astronaut Michael Collins circled the moon in the command module Columbia. — Marc Ramirez, USA Today, 14 July 2026

There’s not enough time to return to the command module or lurch forward into the landing module. — Ben Travers, IndieWire, 29 May 2026

Word History

First Known Use

1962, in the meaning defined above

Rhymes for command module

• nodule

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