fiber fiber /ˈfaɪbɝ/

noun

1. () [American] A slender and greatly elongated substance capable of being spun into yarn  ( fibre [Canadian, British] , fiber [American] )
   a slender and greatly elongated substance capable of being spun into yarn
    The shirt was made from natural fibers, making it very comfortable.
   The shirt was made from natural fibers, making it very comfortable.
   
   
2. [American] A leatherlike material made by compressing layers of paper or cloth  ( fiber [American] , fibre [Canadian, British] , vulcanized fiber [American] , vulcanized fibre [Canadian, British] )
   a leatherlike material made by compressing layers of paper or cloth
   
3. [American] The inherent complex of attributes that determines a person's moral and ethical actions and reactions  ( fiber [American] , fibre [Canadian, British] , character )
   The inherent complex of attributes that determines a person's moral and ethical actions and reactions
    Education has for its object the formation of character
   education has for its object the formation of character
   
4. [American] Any of several elongated, threadlike cells (especially a muscle fiber or a nerve fiber)  ( fiber [American] , fibre [Canadian, British] )
   any of several elongated, threadlike cells (especially a muscle fiber or a nerve fiber)
   
5. [American] Coarse, indigestible plant food low in nutrients; its bulk stimulates intestinal peristalsis  ( fiber [American] , roughage )
   coarse, indigestible plant food low in nutrients; its bulk stimulates intestinal peristalsis