The term "windup girls" refers to genetically engineered beings designed to serve humans, often depicted in science fiction. They are typically created to fulfill specific roles, such as labor or companionship, and are characterized by their mechanical or artificial nature. The concept raises ethical questions about the treatment and rights of such beings. In the context of the novel "The Windup Girl" by Paolo Bacigalupi, these characters exist in a future where biotechnology and environmental collapse shape society. The story explores themes of exploitation, identity, and the consequences of genetic manipulation, highlighting the complex relationships between humans and their creations.