Frontier :: Frontier (n.) That part of a country which fronts or faces another country or an unsettled region; the marches; the border, confine, or extreme part of a country, bordering on another country; the border of the settled and cultivated part of a country; as, the frontier of civilization..
Frontispiece :: Frontispiece (n.) The part which first meets the ey.
Frontispiece :: Frontispiece (n.) The principal front of a building.
Frontispiece :: Frontispiece (n.) An ornamental figure or illustration fronting the first page, or titlepage, of a book; formerly, the titlepage itself..