Noun | 1. | menorrhea - flow of blood from the uterus; occurs at roughly monthly intervals during a woman's reproductive years adult female body, woman's body - the body of an adult woman blood - the fluid (red in vertebrates) that is pumped through the body by the heart and contains plasma, blood cells, and platelets; "blood carries oxygen and nutrients to the tissues and carries away waste products"; "the ancients believed that blood was the seat of the emotions" |