I. ˈdīəˌgram, -raa(ə)m noun
( -s )
Etymology: Greek diagramma, from diagraphein to mark out by lines, from dia- + graphein to write — more at carve
1. : a line drawing made for mathematical or scientific purposes : a mechanical drawing or geometrical figure
2. : a graphic design that explains rather than represents : a drawing that shows arrangement and relations (as of parts to a whole, relative values, origins and development, chronological fluctuations, distribution) : chart , graph
a diagram of the nervous system
— see block diagram
II. transitive verb
( diagramed or diagrammed ; diagramed or diagrammed ; diagraming or diagramming ; diagrams )
: to represent by or put into the form of a diagram
he diagrammed his route on the tablecloth — Willa Cather