crab grass

crab·grass or crab grass  (krbgrs)

n.

Any of certain grasses of the genus Digitaria, especially D. sanguinalis or D. ischaemum, widely naturalized in North America.

---

crab grass

n

(Life Sciences & Allied Applications / Plants) any of several coarse weedy grasses of the genus Digitaria, which grow in warm regions and tend to displace other grasses in lawns

Thesaurus

Noun

1.

crab grass - grasses with creeping stems that root freely; a pest in lawns crabgrass, finger grass grass - narrow-leaved green herbage: grown as lawns; used as pasture for grazing animals; cut and dried as hay crowfoot grass, Dactyloctenium aegypticum, Egyptian grass - a creeping grass with spikes like fingers Digitaria, genus Digitaria - crab grass; finger grass 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