plural noun Midland and Southern U.S.
Examples from the Web for halvers
She moved off to a little house on ol' miss's plantation and make a crop on halvers.Slave Narratives: A Folk History of Slavery in the United States|Work Projects Administration
The man who owned the land, I worked on halvers, sold it on the Liverpool market.
He was a cheerful, stirin' cretur, always doin' somethin', and no man can say he ever see him do anything by halvers.Sketches New and Old, Complete|Mark Twain (Samuel Clemens)