postdriver
nounUK /ˈpəʊstˌdraɪvə/
US /ˈpoʊstˌdraɪvər/
A tool used to push a post into the ground.
Dad used a postdriver to put the fence post in the dirt.
OTHER MEANINGS
2. A machine or attachment that drives posts into the ground.
The tractor pulled a hydraulic postdriver along the field.
3. A person whose job is to drive posts into the ground.
The postdriver set the markers along the new road.
4. A heavy metal tube with handles, lifted and dropped to hammer a post down.
He slid the postdriver over the stake and slammed it down.