Cite
 

Meaning of onion dome

on'ion dome"

Pronunciation: [key]
— Archit. Archit.
  1. a bulbous, domelike roof ending in a sharp point, characteristically used in Russian Orthodox church architecture to cover cupolas or towers.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
See also: