fiber

fi·ber

noun

Definition of FIBER

1

: a thread or a threadlike structure or object: as a : a strand of nerve tissue : axon, dendrite b : one of the filaments composing most of the intercellular matrix of connective tissue c : one of the elongated contractile cells of muscle tissue

2

: mostly indigestible material in food that stimulates the intestine to peristalsis—called also bulk, dietary fiber, roughage

Variants of FIBER

fi·ber or chiefly British fi·bre \ˈfī-bər\