fiber

/ˈfī-bər/

Middle French fibre, from Latin fibra

noun

  1. a thread or a structure or object resembling a thread: such as

  2. a slender root (as of a grass)

  3. an elongated tapering thick-walled plant cell void at maturity that imparts elasticity, flexibility, and tensile strength

adjective

  1. of, relating to, or using fiber optics