erd
Webster's Dictionary (GCIDE)
Erd \Erd\ ([~e]rd), n. [OE. erd, eard, earth, land, country, AS. eard; akin to OS. ard dwelling place, OHG. art plowing, tillage, Icel. ["o]r[eth] crop, and to L. arare to plow, E. ear to plow.] The earth. [Prov. Eng.] --Wright. [1913 Webster]
Erd shrew (Zo["o]l.), the common European shrew (Sorex vulgaris); the shrewmouse. [1913 Webster]
Free On-line Dictionary of Computing
entity-relationship diagram ERD
<data, database, specification> A visual representation of an entity-relationship model.
An entity-relationship diagram has a box for each entity, containing its properties, and lines between boxes for relationships. The ends of the lines are labelled to show the type of relationship - one-to-one, one-to-many or many-to-many.
(2019-11-03)