Mother

noun

1. A (human) female who has given birth to a baby

   "He had something of his mother in him."

2. A human female who parents an adopted or fostered child
3. A human female who donates a fertilized egg or donates a body cell which has resulted in a clone.
4. A pregnant female, possibly as a shortened form of mother-to-be.

   "Nutrients and oxygen obtained by the mother are conveyed to the fetus."

5. A female parent of an animal.

   "The lioness was a mother of four cubs."