crabgrass

crab·grass

or crab grass  (krăb′grăs′)

n.

Any of certain annual grasses of the genus Digitaria, having prostrate stems that root at the nodes and widely naturalized in North America as weeds in lawns and agricultural fields.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Thesaurus

Noun

1.

crabgrass - grasses with creeping stems that root freely; a pest in lawns crab grass, 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

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