a weedy rye grass (Lolium temulentum) with poisonous seeds, often found in grainfields
Origin of darnelMiddle English from French dialect, dialectal (Wal) darnelle, probably from Old French dialect, dialectal darnu, stupefied ( from Frankish an unverified form darn) + niella from Vulgar Latin nigella, black caraway from Classical Latin niger, black: so called from its supposed stupefying qualities
Any of several ryegrasses, especially Lolium temulentum.
Origin of darnelMiddle English
(usually uncountable, plural darnels)
From Old Northern French darnelle