\E*phem"e*ris\, n.; pl. {Ephemerides}. [L., a diary,
Gr. ?, also, a calendar, fr. ?. See {Ephemera}.]
1. A diary; a journal. --Johnson.

2. (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.

3. (Literature) A collective name for reviews, magazines, and
   all kinds of periodical literature. --Brande & C.