n. & v.
n. 1 a drawing showing the general scheme or outline of an object and its parts. 2 a graphic representation of the course or results of an action or process. 3 Geom. a figure made of lines used in proving a theorem etc.
v.tr. (diagrammed, diagramming; US diagramed, diagraming) represent by means of a diagram. diagrammatic adj. diagrammatically adv.
[ L diagramma f. Gk (as DIA-, -GRAM) ]