The definition you have is correct, but the plural is "fasciae" and not "fascias". Also, the translation; the word is also fascia in Swedish.

Further definition in architecture. http://dictionary.reference.com/browse/fascia 2. also called fascia board. facia. 3. architecture. a. any relatively broad, flat, horizontal surface, as the outer edge of a cornice, a stringcourse, etc. b. any of a number of horizontal bands, usually three in number, each projecting beyond the one below to form the architrave in the ionic, corinthian, and composite orders. or http://en.wikipedia.org/wiki/Fascia_(architecture) Svensk översättning ?