Whats the definition of a hybrid, because if I run out of fuel but put my car in 1st gear and turn the engine over with the key, it will move forward, albeit ve

Whats the definition of a hybrid, because if I run out of fuel but put my car in 1st gear and turn the engine over with the key, it will move forward, albeit very slowly and not very far, so technically manual ICE cars already are a hybrid!?! Hence the question. :)