birth

1
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.
2
An instance of childbirth.
Intersex babies account for roughly one per cent of all births.
3
Obsolete spelling of berth.
He vvas a Surgeon, and they called him Doctor; but he vvas not employed in the Sloop as a Surgeon, but vvas going to Berbadoes to get a Birth, as the Sailors call it.

adj

1
A familial relationship established by childbirth.
Her birth father left when she was a baby; she was raised by her mother and stepfather.
Similar
biological

1
To bear or give birth to (a child).
I don't know nothin' 'bout birthin' babies!
2
To produce, give rise to.

Definitions