Definition of darnel in English:

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Pronunciation: /ˈdärn(ə)l/


A Eurasian ryegrass.
  • Genus Lolium, family Gramineae: several species, in particular the widespread L. temulentum.
Example sentences
  • If you need to produce severe drunkenness in order that you may carry out painful treatment on an organ, dissolve in the drink half a dram of each of darnel, fumitory, opium and henbane and half a carat of myrobalan.
  • Through conventional breeding, the sid gene has been transferred to forage and amenity grasses to produce stay-green varieties of ryegrass and darnel.
  • Secondary cell wall deposition has been determined by other means, such as by measuring the thickness of the double wall between two fibre cells in internodes of reproductive tillers of darnel.


Middle English: of unknown origin; apparently related to French (Walloon dialect) darnelle.

For editors and proofreaders

Syllabification: dar·nel

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