staple fiber(n = noun.substance) staple, staple fibre - a natural fiber (raw cotton, wool, hemp, flax) that can be twisted to form yarn; "staple fibers vary widely in length"
is a kind of natural fiber, natural fibre

acrylic fiber, animal fiber, bast fiber, castor fiber, cotton fiber, 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, staple fibre, staple gun, striated muscle fiber, synthetic fiber, tampico fiber, vulcanized fiber