Definition of “field” - Learner’s Dictionary

field

noun us uk /ˈfiːld/
Extra Examples
The field slopes down to the river.A field of wheat rippled in the breeze.We skirted around the edge of the field.Rabbits were hopping across the field.Police found the body in a field.
LAND [ C ]

A2 an area of land used for growing crops or keeping animals:

a wheat field
a field of cows
SPORT [ C ]

B1 an area of grass where you can play a sport:

a football field
AREA OF STUDY [ C ]

B2 an area of study or activity:

He's an expert in the field of biochemistry.
IN RACE/BUSINESS [ no plural ]

the people who are competing in a race, activity, or business:

We lead the field in genetic research.
a gas/oil field

an area of land containing gas or oil

a gravitational/magnetic field

(Definition of “field noun” from the Cambridge Learner's Dictionary © Cambridge University Press)