Noun finger grass has 2 senses
  1. crabgrass, crab grass, finger grass - grasses with creeping stems that root freely; a pest in lawns
    --1 is a kind of grass
    --1 is a member of Digitaria, genus Digitaria
    --1 has particulars:
     Egyptian grass, crowfoot grass, Dactyloctenium aegypticum; smooth crabgrass, Digitaria ischaemum; large crabgrass, hairy finger grass, Digitaria sanguinalis
  2. finger grass - any grass of the genus Chloris; occurs in short grassland especially on waste ground or poor soils
    --2 is a kind of
    grass
    --2 has particulars:
     Rhodes grass, Chloris gayana; windmill grass, creeping windmill grass, star grass, Chloris truncata
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