The Collaborative International Dictionary of English v.0.48:

Grammalogue \Gram"ma*logue\ (gr[a^]m"m[.a]*l[o^]g), n. [Gr.
   gra`mma letter + lo`gos word. Cf. Logogram.] (Phonography)
   Literally, a letter word; a word represented by a logogram;
   as, it, represented by |, that is, t. --Pitman.
   [1913 Webster]