computator

plural computators

1. archaicA person who performs computations.

   1 more example

   But this is an advantage not to be had by the biographer in this planet;—in the planet Mercury (belike) it may be so, if not better still for him;——for there the intense heat of the country, which is proved by computators, from its vicinity to the sun, to be more than equal to that of red-hot iron, […]

   1759, [Laurence Sterne], chapter XXIII, in The Life and Opinions of Tristram Shandy, Gentleman, 2nd (1st London) edition, volume I, London: […] R[obert] and J[ames] Dodsley […], published 1760, →OCLC

2. archaicA mechanical device that performs computation.
3. humorousSynonym of computer (“electronic device”).

   Synonyms: computer