In excavating for building, one of the men who clear the ground of rocks or ledges by blasting, etc.(noun)
The Century Dictionary (Public Domain)
Use "rockman" in a sentence
"And "cosmic rays" turning you into a rockman does?"
"The Flavor of the Modern Age now dated urgent bingo rockman lovers drivin 'lamborghinis - 2002-04-06 - 10: 15 p.m. From:"
"A rumor of death, of a big strike, or of accident, would bounce around the entire belt, relayed from rockman to rockman, at just short of the speed of light."