noun

• (countable) A long, thin, flexible length of twisted yarns (strands) of fibre (a rope, for example).
  "The burglar tied up the victim with a cord."
• (uncountable) Any quantity of such material when viewed as a mass or commodity.
  "He looped some cord around his fingers."
• (figuratively) Any influence by which persons are caught, held, or drawn, as if by a cord.
  "Clear-headed friend, whose joyful scorn, / Edged with sharp laughter, cuts atwain / The knots that tangle human creeds, / The wounding cords that bind and strain / The heart until it bleeds, […]"
• (anatomy) Any structure having the appearance of a cord, especially a tendon or nerve.
  "spermatic cord; spinal cord; umbilical cord; vocal cords"