crab grass
Definition
- Noun:
- A type of grass characterized by creeping stems that take root at the joints, often considered a troublesome weed in lawns and gardens.
Usage
- Noun:
- The lawn was overrun with crab grass after a wet summer.
- Effective lawn care requires preventing the spread of crab grass.
Advanced Usage
- As a collective noun: The term can refer to the plant collectively in an area.
- The entire border was infested with crab grass.
- In gardening/agricultural contexts: Often discussed as a target for eradication or control.
- The new herbicide is specifically formulated to target crab grass.
Variants and Related Words
- Crabgrass (n): A common alternative spelling, written as one word.
- Pre-emergent herbicides help control crabgrass.
- Digitaria (n): The scientific genus name for many species of crab grass.
Synonyms
- Finger grass: A common name for some species within the genus.
- Hairy crabgrass: A specific type of crab grass ().
Notes on Meaning
- The term specifically denotes a weedy grass, not a desirable turf grass. Its "creeping" growth habit is its defining and most problematic characteristic, as it allows the plant to spread aggressively and choke out other plants.
Noun
-
grasses with creeping stems that root freely; a pest in lawns
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