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
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
(of a woman's body) having a large bosom and pleasing curves; "Hollywood seems full of curvaceous blondes"; "a curvy young woman in a tight dress"