The phrase "titular heroine" refers to the main female character or protagonist in a story, movie, or book. "Titular" means the character's name is in the title, and "heroine" refers to a female hero or lead character. Full definition
Audrey Tautou was already an up - and - comer in her native France, but her role as titular heroine «Amélie» was her springboard to international stardom. (backstage.com)
One of Thelma & Louise «s many scumbag men refers to the film's troublemaking titular heroines as «You bitches from hell!» (slantmagazine.com)
Netflix's noir - ish superhero show Jessica Jones does something similar in the middle of its first season: The villain Kilgrave has a child by rape, and when the child's mother calls it a «monster,» the titular heroine does not protest and helps procure drugs to abort it. (firstthings.com)