Cuckoo clock Definition Meaning MerriamWebster The mad devotion significance can vary according to social upbringings. The term 'cuckoo' has various definitions in different societies. In some instances, it is associated with eccentricity, while in others, it symbolizes unconditional love. Furthermore, the term can be connected to madness or expressions of emotion. Understanding the intricate cuckoo meaning requires exploring varied angles and construals.