birth

n. 1 emergence of a baby or young from its mother's body. 2 beginning (birth of civilization). 3 a ancestry (of noble birth). B high or noble birth; inherited position.  give birth to 1 produce (young). 2 be the cause of. [old norse]

n. The act or fact of coming into life, or of being born; -- generally applied to human beings; as, the birth of a son.