automatarius

autŏmătārĭus, a, um, adj. [v. automatus].

• Of or pertaining to an automaton, automatic; hence,
• II Subst.
• • A autŏ-mătārĭus, ii, m., a maker of automata, Inscr. Orell. 4150.—
  • B autŏmătārĭ-um, ii, n. (sc. opus), automaton-work, Dig. 30, 41 fin.