"turf" in the noun sense
1. turf, sod, sward, greensward
surface layer of ground containing a mat of grass and grass roots
the territory claimed by a juvenile gang as its own
range of jurisdiction or influence
"a bureaucracy...chiefly concerned with turf...and protecting the retirement system"
"turf" in the verb sense
cover (the ground) with a surface layer of grass or grass roots
Source: WordNet® (An amazing lexical database of English)
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