a human inhabitant or native of the planet Earth.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use earthman in a sentence
This Croen race, I realized, was something truly beyond an earthman's understanding.Valley of the Croen | Lee Tarbell
Then he pointed to the comparatively thin arms of the earthman, and to his own.Islands of Space | John W Campbell
The question of whether he was capable of realizing this tremendous dream or not, the earthman did not pause to debate.
The earthman tore his weapon from him and thrust its muzzle against his recent opponent's chest.
An almost ungovernable fury had taken possession of the young earthman.
British Dictionary definitions for earthman
(esp in science fiction) an inhabitant or native of the earth
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012