trochilics

n. [ Gr. &unr_; the sheaf of a pulley, roller of a windlass, from &unr_; to run. ] The science of rotary motion, or of wheel work. Wilkins. [ 1913 Webster ]

a. [ See Trochilics. ] OF or pertaining to rotary motion; having power to draw out or turn round. “By art trochilic.” Camden. [ 1913 Webster ]