DictionaryawnBristle on grass or grain
noun

awn

AWN/ɔn/

A stiff, bristlelike growth on the flowering head of grass or grain.

A long awn extends from each grain on the barley head.

A close view of a single barley ear, showing slender, pointed awns extending from the grain-bearing spikelets, with their attachment points clearly visible.
Etymology

Old Norse ögn named the bristly growth on grain plants. English preserves that concrete plant sense, using awn for an individual slender, projecting bristle.

In context

NPMS Support46:57
it has an awn on the lemma um that is usually as it it matures it's a bent awn
Classes for Grasses Webinar for Fall into Nature with Plantlife

More examples

  • The dog's coat caught several sharp awns.
  • The dry awns bristled along the seed heads.
  • She examined the awn under a magnifying glass.

Forms

awn · awns

Similar words

bristle
Is a general stiff hair or hairlike projection.
spikelet
Names the small flower cluster rather than its projecting bristle.