Ideogram /(?*dē"ō̇*grăm)/

I·de·o·gram

Ideogram

n.
  1. An original, pictorial element of writing; a kind of hieroglyph expressing no sound, but only an idea.
    Ideograms may be defined to be pictures intended to represent either things or thoughts.
    — I. Taylor (The Alphabet).
    You might even have a history without language written or spoken, by means of ideograms and gesture.
    — J. Peile.
  2. A symbol used for convenience, or for abbreviation; as, 1, 2, 3, +, −, ×, $, §, etc.
  3. A phonetic symbol; a letter.