[1] : The Collaborative International Dictionary of English v.0.48

ideogram \ide"ogram\, n. ideo- + -gram; cf. f. id'eograme.
   1. an original, pictorial element of writing; a kind of
      hieroglyph expressing no sound, but only an idea.
      1913 webster

            ideograms may be defined to be pictures intended to
            represent either things or thoughts.  --i. taylor
                                                  the
                                                  alphabet.
      1913 webster

            you might even have a history without language
            written or spoken, by means of ideograms and
            gesture.                              --j. peile.
      1913 webster

   2. a symbol used for convenience, or for abbreviation; as, 1,
      2, 3, +, -, ?, $, ?, etc.
      1913 webster

   3. a phonetic symbol; a letter.
      1913 webster

[2] : WordNet (r) 2.0

ideogram
     n : a graphic character used in ideography syn: ideograph
see also:
ideograph 

[3] : Moby Thesaurus II by Grady Ward, 1.0

88 moby thesaurus words for "ideogram":
   allegory, alphabet, arrowhead, art, blueprint, character,
   charactering, characterization, charactery, chart, choreography,
   cipher, conventional representation, conventional symbol,
   cuneiform, dance notation, delineation, demonstration,
   demotic character, depiction, depictment, determinative, diagram,
   drama, drawing, emblem, exemplification, figuration, grammalogue,
   hieratic symbol, hieroglyph, hieroglyphic, hieroglyphics, hiragana,
   iconography, iconology, ideograph, illustration, imagery, imaging,
   kana, katakana, letter, limning, logogram, logograph, logotype,
   love knot, map, musical notation, notation, ogham, phonetic,
   phonetic symbol, pictogram, pictograph, picturization, plan,
   portraiture, portrayal, prefigurement, presentment, printing,
   projection, radical, realization, rendering, rendition,
   representation, rune, schema, score, script, shorthand, syllabary,
   symbol, symbolic system, symbolism, symbolization, symbology,
   tablature, token, totem, totem pole, type, wedge, word letter,
   writing

Ideogram >> I Words
Ideogram, definition of term: Ideogram
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