ベン図ずベンずMeanings1nounVenn diagrammathematicsA diagram using overlapping circles to show logical relationships between sets. Used in mathematics and logic.数すう学がくの授じゅ業ぎょうでベン図ずを使つかって集しゅう合ごうを説せつ明めいした。In math class, we used a Venn diagram to explain sets.