3 occurrences in 3 dictionaries
Reference: Aruboth
Fausets
Third of Solomon's commissariat districts (1Ki 4:10), including Sochoh.
Morish
Ar'uboth
The third commissariat district of Solomon, probably the rich corn-growing country in the Shephelah or low hills of Judah. 1Ki 4:10.
Smith
Ar'uboth
(windows), the third of Solomons commissariat districts.
It included Sochoh, and was therefore probably a name for the rich corn-growing lowland country.