Fibre

[PussyCat]

One of the delicate, threadlike portions of which the
tissues of plants and animals are in part constituted; as, the fiber of
flax or of muscle.

[Sonia]

Often misspelled as [Fiber].

A single piece of a given material, elongated and roughly round in cross-section, often twisted with other [fibres] to form a thread.

Any substance, generally of plant origin, which is undigested on passage through the human alimentary tract—consists mostly of complex carbohydrates.

[Couch Potatoe]

adj. (Australia