Filum forestæ
Black's Law Dictionary · Henry Campbell Black, M.A. · 1910
Black's Law Dictionary
The border of the forest.
2 Bl. Comm. 419; 4 Inst. 303. —'Fiium viæ.
The thread or middle line of a road. An imaginary line drawn through the middle of a road, and constituting the boundary between the owners of the land on each side.
2 Smith, Lead. Cas. (Am. Eld.) 98, note.