ˈɔː.bɪt ˈɔɹ.bɪt ɹɪˈvɒlv ɹəʊˈteɪt ˈɹoʊteɪt cause to move by turning over or in a circular manner of as if on an axis She rolled the ball They rolled their eyes at his words move in an orbit The moon orbits around the Earth The planets are orbiting the sun electrons orbit the nucleus turn on or around an axis or a center The Earth revolves around the Sun The lamb roast rotates on a spit over the fire