bast fiber(n = noun.plant) bast - strong woody fibers obtained especially from the phloem of from various plants;
is a kind of natural fiber, natural fibre
acrylic fiber, animal fiber, bast, castor fiber, cotton fiber, cuban bast, fiber, fiber bundle, fiber optic cable, fiber optics, glass fiber, man-made fiber, medullated nerve fiber, motor nerve fiber, muscle fiber, myelinated nerve fiber, natural fiber, nerve fiber, optical fiber, plant fiber, polyester fiber, purkinje fiber, staple fiber, striated muscle fiber, synthetic fiber, tampico fiber, vulcanized fiber