What does "ephemeris" mean?

Ephemeris: (Anat.) (a) A publication giving the computed places of the heavenly bodies for each day of the year, with other numerical data, for the use of the astronomer and navigator; an astronomical almanac; as, the "American Ephemeris and Nautical Almanac." (b) Any tabular statement of the assigned places of a heavenly body, as a planet or comet, on several successive days.