Definition of bast in English:

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Pronunciation: /bast/


1 (also bast fibre) [mass noun] Fibrous material from a plant, in particular the inner bark of a tree such as the lime, used as fibre in matting, cord, etc.
Example sentences
  • It wasn't unknown for the ribs for example to be lashed in place with bast fibre cords, that were soaked in pitch to preserve them.
  • They are made from papyrus root, bast fiber, and banana leaves and are decorated with mud dyes in elaborate patterns.
  • Linen is from flax, a bast fiber taken from the stalk of the plant.
1.1 Botany The phloem or vascular tissue of a plant.
Example sentences
  • Ramie is also similar to linen and is a bast of plant fiber.
  • The four groupings are: seed-hair fibers, leaf fibers, bast fibers, and miscellaneous fibers.
  • There was a clear deficiency of bast fibre along the length of the mutant stem.


Old English bæst; related to Dutch bast, German Bast; of unknown origin.

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