Definition of clotbur in English:

clotbur

noun

  • 1A herbaceous plant of the daisy family, with burred fruits. It originated in tropical America but is now cosmopolitan.

    See also cocklebur
    • ‘Spiny clotbur has upright growth habit, long shiny dark green leaves, cactuslike spines and seeds like cocklebur (which it is related to).’
    • ‘A green stripe of broad clotbur (Xanthium strumarium, or lachid hanehalim in Hebrew), a plant that grows in habitats in which there are seasonal water pools, attested that the leaks are a routine matter here.’
    • ‘Beach clotbur has rough, sandpapery, triangular leaves and sharp burry fruits.’
    1. 1.1North American A burdock.

Origin

Mid 16th century: from dialect clote burdock + burr.

Pronunciation:

clotbur

/ˈklätbər/