Male typically refers to a threaded end or component that has external threads This threaded end is designed to fit into a female threaded connection Female refers to a threaded end or component that has internal threads This threaded end is designed to receive a male threaded connection STEEL tee likely refers to a tee shaped plumbing or piping component made of steel A tee is a T shaped fitting used to connect three pipes together allowing fluid or gas to flow in different directions So when you say male and female in the context of a STEEL tee you might be referring to the threaded ends of the tee and the pipes it connects The male end would have external threads while the female end would have internal threads to allow for a secure threaded connection
