Definition of Russian thistle in English:

Russian thistle

Line breaks: Rus|sian this¦tle

noun

North American
  • A prickly tumbleweed which is an inland form of saltwort. Native to Eurasia, it was accidentally introduced into North America, where it has become a pest.
    • Salsola pestifera, family Chenopodiaceae
    More example sentences
    • Tumbleweeds, the dense Russian thistles accidentally introduced to the west, are ubiquitous.
    • Spartan herbicide has provided excellent control of troublesome broadleaf weeds, such as kochia, Russian thistle, and pigweed species in no-till sunflower research plots for the past several years.
    • State laws typically identified plants by common name as noxious: Russian thistles and milkweed, for example.

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Word of the day coloratura
Pronunciation: ˌkɒlərəˈtjʊərə
noun
elaborate ornamentation of a vocal melody