ephemerides

noun

1. (form-of, plural)plural of ephemeris
2. An ephemeris.

   “Or let him [that is melancholy] calculate Sphæricall Triangles, caſt a Natiuity, make an Ephemerides, read Suiſſet the Calculators vvorkes, Scaliger de emendatione temporum, till he vnderſtand it, read Scotus and Suarez Metaphyſicks, or Schoole Divinity, Occam, Entisberus, Durand &c.”