Laban Dictionary - Từ diển Anh Việt, Việt Anh

[count] :an area on the back of an animal's body near the tail

[count, noncount] :meat from this area

loins [plural] :the area of a person's body that includes the sexual organs

Your child or children can be referred to as the fruit of your loins. A child can be described as springing/coming from the loins of his or her parents. These phrases are usually used in a humorous way.