orrery UK /ˈɒɹ.ə.ɹi/US /ˈɔɹ.ə.ɹi/ noun2 •A clockwork model of any given solar system.To which his answer was: why, that God is eternal motion, Lacy. This is his first orrery. — 1985 •(figurative) A conceptual model of someone's worldview. formsorreries