ˈgrau̇n(d)ˌman, -_mən noun
( plural groundmen )
1.
a. : a strip-mine worker who moves dirt and coal within reach of power shovels
b. : a mine worker who deepens haulageways by digging out the bottom and lowering tracks
2. : a member of a work crew who performs the tasks that can be done on or from the ground: as
a. : one who digs holes and raises poles for electric power or telephone lines and lifts equipment and tools to linemen
b. : one who assists with the erection of oil-well drilling rigs or power lines, the driving of piles, or the construction or wrecking of buildings
3. : groundkeeper 1
4. : an electrician who attends to grounding connections