backfield
back field |ˈbakˌfēld ˈbækˌfild | ▶noun Football the area of play behind either the offensive or defensive line. • the players positioned in this area.
back |field |ˈbakfiːld | ▶noun [ mass noun ] American Football the area of play behind the line of scrimmage. • the players (quarterback and running backs ) positioned in this area.
b á ck f ì eld 名詞 U 〖集合的に 〗〘アメフト 〙後衛 (の選手 ).