plural diagrams
: a drawing that explains or shows the parts of something
a diagram of the nervous system
This diagram shows how the clock operates.
diagrams; diagrammed or diagramed; diagramming or diagraming
US
: to show or explain (something) in a diagram
The coach diagrammed the new play on the blackboard.
The students were required to diagram a sentence.
Cite this Entry
“Diagram.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/diagram. Accessed 21 Jun. 2026.
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