yardgrass

Etymology

yard +‎ grass

Noun

yardgrass (uncountable)

1. Grass in a lawn
   • 1998, Tabor Evans, Longarm and the Wyoming Wildwomen‎, page 150:

     Longarm followed the path in the yardgrass to a cellar door at the rear of the bigger frame church.

2. Eleusine indica, a coarse annual grass often found as a weed
   • 1991, David Moresby Moore, Plant Life‎, page 34:

     The yardgrass (Eleusine indica) has similarly spread along roadside verges in western Africa and other tropical regions.