1. root of a plant
  2. a base; a foundation
  3. the beginning, cause, or source of something
  4. (in math) the root of a number
  5. (in chemistry) base
  6. a piece (of string, rope, etc.); a (stick, spear, or things of slender shape)
  7. a Chinese family name

root, foundation or origin; foundation; basis



There are five fingers on each hand.