'-gram' definitions:

Definition of '-gram'

From: GCIDE
  • -gram \-gram\ (-gr[a^]m). [Gr. gra`mma a thing drawn or written, a letter, fr. gra`fein to draw, write. See Graphic.] A suffix indicating something drawn or written, a drawing, writing; -- as, monogram, telegram, chronogram. [1913 Webster]