Parent

In a family, a parent was the immediate ancestor of offspring.

The Doctor had, in the Tenth Doctor's own words, been "a dad" (TV: Fear Her) and "a father". (TV: The Doctor's Daughter)

As Vedirioi, a Torcaldian, put it, humans "specialised in one or the other", and were generally confined to being mothers or fathers. Torcaldians, who could play either role, did not pay very much attention to gender or its assignment. (PROSE: The Ruins of Time)