1.
If someone says that a woman is well-endowed , they mean that she has large breasts. If someone says that a man is well-endowed , they mean that he has a large penis. People often use this expression if they are trying to be polite.
I spotted a well-endowed girl in the audience wearing a tight white T-shirt.
...the chalk figure of a well-endowed warrior.
ADJ
2.
A well-endowed organization has a lot of money or resources.
In a large, well-endowed school, the opportunities for laboratory work are likely to be greater.
ADJ