midfield(n = noun.location) - (sports) the middle part of a playing field (as in football or lacrosse);
is a kind of center, centre, eye, heart, middle
is a part of athletic field, field, playing area, playing field
the middle part of a playing field (as in football or lacrosse); as, he ran the kickoff back to midfield. [WordNet 1.5]
midfield, n. Football the central part of the pitch, away from the goals.
Derivative:
midfielder n.