crabgrass

/ˌkræbˈgræs/

Definitions of crabgrass

1. noun

   grasses with creeping stems that root freely; a pest in lawns
   synonyms: crab grass, finger grass

   types:

   Dactyloctenium aegypticum, Egyptian grass, crowfoot grass

   a creeping grass with spikes like fingers

   Digitaria ischaemum, smooth crabgrass

   a weed

   Digitaria sanguinalis, hairy finger grass, large crabgrass

   a European forage grass grown for hay; a naturalized weed in United States

   type of:

   grass

   narrow-leaved green herbage: grown as lawns; used as pasture for grazing animals; cut and dried as hay