1 [uncountable] especially British EnglishDLGDN
a surface that consists of soil with grass on top, or an artificial surface that looks like this:
soft green turf
2 [countable] British EnglishDLG
a square piece of turf cut out of the ground
the sport of horse racing, or the track on which horses race
4 [uncountable] informal
an area that you think of as being your own:
How vigorously will the local companies defend their turf?
somebody's own/home turf (=the place that someone comes from or lives in)
We beat Canada on their home turf.
turf war/battle (=a fight or argument over the areas or things you think belong to you)
turf wars among government bureaucracies