D defs.my
Entry 3 senses Webster, 1913

Ideogram

/(?*dē"ō̇*grăm)/ · I·de·o·gram · IPA /ˈɪd.i.oʊ.ɡɹæm/
01 n. An original, pictorial element of writing; a kind of hieroglyph expressing no sound, but only an idea.
  1. 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. 2.
    A symbol used for convenience, or for abbreviation; as, 1, 2, 3, +, −, ×, $, §, etc.
  3. 3.
    A phonetic symbol; a letter.