n.
   - the emergence of a baby or other young from the body of its mother; the start of life as a physically separate being.
 - the beginning of something.
 - a person's ancestry or origin:
 he is of noble birth.
 
v.
 chiefly N. Amer. give birth to.
 
  Phrase
  
    
      - give birth
 bear a child or young. 
    
   
  Derivative
  
  Etymology
  ME: from ON byrth; rel. to bear1.