onion-grass
Noun: - A type of wild grass, specifically the plant Arrhenatherum elatius (also known as wild oat grass or false oat-grass), characterized by its onion-like bulbous base. This plant is often considered a weed in agricultural settings.
- (Removing a weed with a bulbous base.)
- (Describing a key identifying feature of the plant.)
"to be overrun with onion-grass": to have an excessive growth of this weed.
- The pasture was overrun with onion-grass, making it unsuitable for grazing. (The field was heavily infested with this weed.)
"onion-grass infestation": a situation where this plant spreads aggressively.
- An onion-grass infestation can reduce crop yields significantly. (A large presence of this weed harms agricultural output.)
Onion-grass (variant spelling): The term is sometimes written as "onion grass" without a hyphen.
- The lawn was full of onion grass, which smells like onions when cut. (A weed with an onion-like odor.)
Onion couch (synonym): Another common name for the same plant.
- Onion couch is difficult to eradicate once established. (A persistent weed in gardens.)
- Wild oat grass: A common name for .
- False oat-grass: Another name for this species, referring to its resemblance to true oat grasses.
- Onion twitch: An old-fashioned term for the same plant.
"As stubborn as onion-grass": Used to describe something or someone very difficult to remove or eliminate.
- That habit is as stubborn as onion-grass; it keeps coming back no matter what I do. (A persistent problem or tendency.)
"To root out like onion-grass": To completely eradicate something, especially a problem or nuisance.
- The committee vowed to root out corruption like onion-grass. (To remove something thoroughly.)