the muscle term fascia means
Medical Definition of FASCIA. : a sheet of connective tissue (as an aponeurosis) covering or binding together body structures; also: tissue occurring in such a sheetâsee deep fascia, superficial fascia.â fasÂ·cial \-(Ä-)Él\ adjective. a flat usually horizontal member of a building having the form of a flat band or broad fillet: as a: a flat piece used as a molding b: a horizontal piece (as a board) covering the joint between the top of a wall and the projecting eaves âcalled also fascia board c: a nameplate over the front of a shop.