Definitions for "Entity-relationship diagram"
a tool that shows relationships between (or among) entities, which are the items of interest.
a graphical representation that shows entities and the relationships between them
a specific modeling syntax, also known as Chen Diagram. Not to be confused with the term ER Modeling, which some people use as a generic term for all data modeling diagrams.
(ERD) A specialized chart that illustrates the interrelationships between entities in a database.