rover
//ˈroʊ.vər//
Noun
roverSingular
roversPlural
1
A person who wanders or travels from place to place without a fixed home or destination.
He lived as a rover, traveling from town to town with no permanent home.
2
A remote-controlled vehicle used for exploring the surface of a planet or moon.
The rover sent back stunning images of the Martian landscape.
3
A pirate or sea robber (archaic).
The rovers attacked merchant ships along the coast.