ephemeris

2 definitions found

ephemeris - Collaborative International Dictionary of English v.0.48 :

  Ephemeris \E*phem"e*ris\, n.; pl. Ephemerides. [L., a diary,
     Gr. ?, also, a calendar, fr. ?. See Ephemera.]
     1. A diary; a journal. --Johnson.
        [1913 Webster]
  
     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.
            [1913 Webster]
  
     3. (Literature) A collective name for reviews, magazines, and
        all kinds of periodical literature. --Brande & C.
        [1913 Webster]

ephemeris - WordNet (r) 2.1 (2005) :

  ephemeris
      n 1: an annual publication containing astronomical tables that
           give the positions of the celestial bodies throughout the
           year; "today computers calculate the ephemerides"