Definition of awn in English:

awn

Syllabification: awn

noun

Botany
  • A stiff bristle, especially one of those growing from the ear or flower of barley, rye, and many grasses.
    More example sentences
    • Phenotypic traits include barbed lemmas, small sterile lateral spikelets, short glume awns, narrow leaves, semismooth awns, and long rachilla hairs.
    • Notably lacking are spikelet fragments, chaff, awns, pods, and weed seeds that comprise the debris from processing such crops for storage or from using dung as fuel.
    • Just before the fruit matures, it changes from green to brown and the awns separate from the central axis to disperse the seeds.

Derivatives

awned

adjective
More example sentences
  • The monosomic F 1 of the cross between monosomic 6B of CS and Norin 26 (awned cultivar) was awned, by which I could correctly capture b2.
  • The first morphological difference that arises between the lemma primordia of awned and calcaroides genotypes is marked by a change in the overall length of the organ.
  • In segregating F 2 populations, we registered the number of awned, awnless, and short-awned plants.

Origin

Old English, from Old Norse ǫgn; related to Swedish agn, Danish avn.

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