noun an arbitrary sign for a word.
2. monogram ·noun a picture in lines; a sketch.
3. monogram ·noun a character or cipher composed of two or more letters interwoven or combined so as to represent a name, or a part of it (usually the initials). monograms are often used on seals, ornamental pins, rings, buttons, and by painters, engravers, ·etc., to distinguish their works.