Definitions

1. noun

A type of insulating material made from synthetic fibers, used to fill pillows, mattresses, and other items.

“She bought a bag of fiberfill to make her own pillow.”

2. noun

A type of filling material used in craft projects, such as sewing and quilting.

“The fiberfill was used to give the stuffed animal a soft and cuddly texture.”

3. verb

To fill or stuff something with fiberfill.

“The seamstress had to fiberfill the pillow to give it the right shape.”