2. Any fine, slender thread, or threadlike substance; as, a
fiber of spun glass; especially, one of the slender
rootlets of a plant.
3. Sinew; strength; toughness; as, a man of real fiber.
Yet had no fibers in him, nor no force. --Chapman.
4. A general name for the raw material, such as cotton, flax,
hemp, etc., used in textile manufactures.
{Fiber gun}, a kind of steam gun for converting, wood, straw,
etc., into fiber. The material is shut up in the gun with
steam, air, or gas at a very high pressure which is
afterward relieved suddenly by letting a lid at the muzzle
fly open, when the rapid expansion separates the fibers.
{Fiber plants} (Bot.), plants capable of yielding fiber
useful in the arts, as hemp, flax, ramie, agave, etc.