bast

Definitions of bast
  1. noun
    (botany) tissue that conducts synthesized food substances (e.g., from leaves) to parts where needed; consists primarily of sieve tubes
    synonyms: phloem
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    type of:
    vascular tissue
    tissue that conducts water and nutrients through the plant body in higher plants
  2. noun
    strong woody fibers obtained especially from the phloem of from various plants
    synonyms: bast fiber
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    type of:
    natural fiber, natural fibre
    fiber derived from plants or animals
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