fiber
nounUK /ˈfaɪ.bər/
US /ˈfaɪ.bɚ/
Fiber is the part of food that helps your tummy work well.
Eating apples gives your body good fiber.
OTHER MEANINGS
2. A thin thread or strand used to make cloth or rope.
The rope is made of strong fiber.
3. A material made of many small threads, like the stuff in clothes.
This shirt is made from natural fiber.
4. A tiny thread-like part inside the body, like in muscles or nerves.
Nerve fibers carry messages to your brain.