ὁλοίτροχος 1 εἴλω, volvo, τροχός
1.a rolling stone, a round stone, such as besieged people rolled down upon their assailants, Hdt., Xen.; ὀλοοίτροχος in Il. and Orac. ap. Hdt.
2.as adj., πέτροι ὁλοίτροχοι round stones, to which the muscles of an athlete's arm are compared, Theocr.