(databases) Initialism of entity-relationship diagram. / (cycling) Initialism of effective rim diameter.

(uncountable) The act of detaining or the state of being detained. / (law) Confinement of a prisoner awaiting trial.

plural of Zaya

(astronomy) A bluish-white star in the constellation Grus; Alpha (α) Gruis. / (astronomy) A bluish-white binary star in the constellation Centaurus; Zeta (ζ) Centauri.