There is indeed. But we also have much disagreementWell that there is biological women and men is science and basic biology.
about definitions applied. We create definitions to organize
our thoughts, but they change over time, & acquire diversity
of usage. I see no singular perspective that's "true" for all time.
The best we can hope for is agreement on something useful.
Saying "real" or "legitimate" vs "not real" or "illegitimate"
isn't serving us well in the age of understanding more
complexity, & incorporating that into a tolerant society.