Definition of "spacewalker" [spacewalker]

• An astronaut engaging in a space walk or other activity outside the spacecraft (noun)

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• "It's an honor to be walking, spacewalking with a Hubble spacewalker," Fincke told Feustel, part of the 2009 Hubble repair team.""
• "The other challenge for the six-person crew, he noted, was the loss of the mission's lead spacewalker."
• "Stephen Bowen, an experienced spacewalker, took over."