crabgrass
Definition
- Noun:
- A type of grass with creeping stems that root freely; considered a weed in lawns: Crabgrass refers to certain species of annual grasses, particularly of the genus Digitaria, known for their low-growing, spreading habit. They are often considered invasive pests in cultivated turf because they can quickly overtake desired lawn grasses.
Examples of Usage
- Noun:
- The lawn was overrun with crabgrass after a wet summer.
- Effective lawn care includes preventing crabgrass from germinating in the spring.
Advanced Usage
- As a collective noun: Often used in a non-countable sense to refer to the weed infestation as a whole.
- The entire yard was nothing but crabgrass.
- In gardening/agricultural contexts: Used to specify a problematic weed that competes with crops or ornamental plants.
- The farmer struggled to control crabgrass in his soybean field.
Variants and Related Words
- Crab grass: An alternative spelling, often written as two words.
- Digitaria: The scientific genus name for most crabgrass species.
- Hairy crabgrass (): A common specific species.
- Smooth crabgrass (): Another common species.
Synonyms
- Finger grass: Another common name for some species.
- Summer grass: A descriptive name highlighting its growth period.
- Weed grass: A general term, though less specific.
Related Phrases
- Crabgrass preventer: A common term for herbicides designed to stop crabgrass seeds from germinating.
- Apply a crabgrass preventer in early spring.
- Crabgrass infestation: Describes a lawn or area heavily affected by the weed.
- The park suffered from a severe crabgrass infestation.
Noun
-
grasses with creeping stems that root freely; a pest in lawns
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