ob·​late | \ä-ˈblāt, ˈä-ˌblāt \

Definition of oblate 

(Entry 1 of 2)

: flattened or depressed at the poles an oblate spheroid


ob·​late | \ˈä-ˌblāt \

Definition of oblate (Entry 2 of 2)

1 : a layman living in a monastery under a modified rule and without vows

2 : a member of one of several Roman Catholic communities of men or women

Keep scrolling for more

Other Words from oblate


oblateness noun

Examples of oblate in a Sentence

Recent Examples on the Web: Adjective

Still, those oblate derrieres acknowledge that the flat stovetops of our Western kitchens make a rounded cooking vessel difficult to use. James P. Dewan, chicagotribune.com, "What you need to know before you wok," 16 Feb. 2018

Recent Examples on the Web: Noun

This was unexpected at Jupiter—a heavy, fast rotating, oblate (flattened at the poles) planet. Andrew Coates, Newsweek, "NASA Juno Unlocks Secrets of Jupiter's Mega Cyclone Clusters," 8 Mar. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'oblate.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of oblate


1705, in the meaning defined above


1693, in the meaning defined at sense 1

History and Etymology for oblate


probably from New Latin oblatus, from ob- + -latus (as in prolatus prolate)


Medieval Latin oblatus, literally, one offered up, from Latin, past participle of offerre — more at offer

Keep scrolling for more

Learn More about oblate

Statistics for oblate

Look-up Popularity

Time Traveler for oblate

The first known use of oblate was in 1693

See more words from the same year

More from Merriam-Webster on oblate

See words that rhyme with oblate

Britannica.com: Encyclopedia article about oblate

Comments on oblate

What made you want to look up oblate? Please tell us where you read or heard it (including the quote, if possible).


to clear from alleged fault or guilt

Get Word of the Day daily email!

Test Your Vocabulary

Difficult Vocab Quiz

  • the-education-of-achilles-eugne-delacroix
  • Which is a synonym of discomfit?
True or False

Test your knowledge - and maybe learn something along the way.

Dictionary Devil

Test Your Knowledge - and learn some interesting things along the way.


Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!