What does "natural fiber" mean?

An organic fiber that is obtained naturally, notably from a plant or animal.

What is a synonym for "natural fiber"?

Common synonyms include: bast, cotton, gomuti, hemp, horsehair, kapok.

noun

noun ·Rare ·Advanced level

Noun

1
An organic fiber that is obtained naturally, notably from a plant or animal. countable, uncountable
"Sheep and flax produce the natural fibers wool and linen."
2
fiber derived from plants or animals wordnet

"Sheep and flax produce the natural fibers wool and linen."

From natural + fiber.