noun

• (uncountable) The process of childbearing; the beginning of life; the emergence of a human baby or other viviparous animal offspring from the mother's body into the environment.
• (countable) An instance of childbirth.
  "Intersex babies account for roughly one per cent of all births."
• (countable) A beginning or start; a point of origin.
  "the birth of an empire"
• (uncountable) The circumstances of one's background, ancestry, or upbringing.
  "He was of noble birth, but fortune had not favored him."

verb

• (transitive) To bear or give birth to (a child).
  "I don't know nothin' 'bout birthin' babies!"
• (transitive, figuratively) To produce, give rise to.
  "Biological evolution created a human mind that enabled cultural evolution, which now outpaces and outclasses the force that birthed it."