Definition of onion dome
:a dome (as of a church) having the general shape of an onion
What's Trending Now
More Trending Words
onion dome
noun
Indulge Your Inner Word Nerd
First Known Use of onion dome
1868
Learn More about onion dome
Seen and Heard
What made you want to look up onion dome? Please tell us where you read or heard it (including the quote, if possible).
Writing? Check your grammar now!