B1
an area of grass used for playing sports
Dictionary examples:
The soccer field turned into a mud pool during the rainy match. (0.0)
A flock of sheep mistook the soccer field for their pasture. (0.0)
The basketball field froze solid in winter, becoming an ice rink. (0.0)
the school sports fields (9.8)
a football/soccer/baseball field (15.2)