The Collaborative International Dictionary of English v.0.48:

Pictograph \Pic"to*graph\, n. [See Picture, and -graph.]
   A picture or hieroglyph representing and expressing an idea.
   -- Pic`to*graph"ic, a.
   [1913 Webster]

Moby Thesaurus II by Grady Ward, 1.0:

26 Moby Thesaurus words for "pictograph":
   arrowhead, character, cuneiform, demotic character, determinative,
   grammalogue, hieratic symbol, hieroglyph, hieroglyphic,
   hieroglyphics, hiragana, ideogram, ideograph, kana, katakana,
   logogram, logograph, ogham, phonetic, phonetic symbol, pictogram,
   radical, rune, shorthand, wedge, word letter