Merriam-Webster Logo
SINCE 1828
Menu
×

An Encyclopædia Britannica Company

See What's Trending Now See More Trending Words

morula

play
noun mor·u·la \ ˈmȯr-(y)ə-lə , ˈmär- \

Definition of morula

plural morulae play \ˈmȯr-(y)ə-ˌlē, -ˌlī, ˈmär-\ also morulas
:a globular solid mass of blastomeres formed by cleavage of a zygote that typically precedes the blastula
—

morular

play \ˈmȯr-(y)ə-lər, ˈmär-\ adjective
—

morulation

play \ˌmȯr-(y)ə-ˈlā-shən, ˌmär-\ noun

Explore M-W

image1644821030
These Are Fighting Words
alt-59c448f88ea38
Trending: Kim Jong Un: Trump a 'Dotard'
young-plant-shoots
Merriam-Webster's New Words Quiz—Fall 2017 Edition!
alt-59c4207ecf106
Let's Talk 'Tea'

Origin and Etymology of morula

New Latin, from Latin morum mulberry, from Greek moron

Medical Dictionary

morula

play
noun mor·u·la \ ˈmȯr-(y)ə-lə, ˈmär- \

medical Definition of morula

plural morulae play \-ˌlē, -ˌlī\
:a globular solid mass of blastomeres formed by cleavage of a zygote that typically precedes the blastula — compare gastrula
—

morular

play \-lər\ adjective
—

morulation

play \ˌmȯr-(y)ə-ˈlā-shən, ˌmär-\ noun

Learn More about morula

  1. Britannica.com: Encyclopedia article about morula

Seen and Heard

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

show hide

Love words? Need even more definitions?

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

WORD OF THE DAY

shofar

play

a ram's-horn trumpet used in Judaism

Get Word of the Day daily email!

TRENDING NOW

  1. dotage, dotard a state or period of senile decay

  2. otherwise "in other respects"

  3. federalism Graham says bill gives power to states

  4. bodega "Don’t mess with the beloved bodega."

  5. carceral Of, relating to, or suggesting a jail or prison

SEE ALL

BROWSE DICTIONARY

morula

Test Your Vocabulary

Merriam-Webster's New Words Quiz—Fall 2017 Edition!

  • young-plant-shoots
  • Which of the following is a new sense of the word bunny?
True or False

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

TAKE THE QUIZ
SCRABBLE® Sprint

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

TAKE THE QUIZ

Love words? Need even more definitions?

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

Words at Play

alt-59c4207ecf106
Let's Talk 'Tea'

Spill it, sip it: just make it hot.

image1644821030
8 Words and Phrases from Boxing and Wrestling

Common terms that come from boxing and wrestling

alt-59c2960017c94
The Ambiguity of Pushing 'Up' and 'Back'

When you push a meeting, where does it go?

image536372841
Silent Letters

When each letter can be seen but not heard

Ask the Editors

video-title-words-of-the-year-1066
Words of the Year: 1066

Or, Why Pig Meat is Called 'Pork' and Cow Meat is Called 'Beef'

payday
How Often Is 'Biweekly'?

Don't get us started on 'bimonthly'

video-irregardless-grammar-peeve-blend-of-the-synonyms-irrespective-and-regardless
Irregardless

It is in fact a real word (but that doesn't mean you should use it).

video-moose-goose-weird-plurals
Weird Plurals

One goose, two geese. One moose, two... moose. What's up with that?

Word Games

young-plant-shoots
Merriam-Webster's New Words Quiz—Fall 2017 Edition!

You're going to have to memorize the dictionary again.

Take the quiz
stylized-drawing-of-woman-pole-vaulting-across-gap-to-get-trophy
Challenging Vocabulary Quiz Returns!

No tricks, just difficult words.

Take the quiz
True or False
True or False?

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

Take the quiz
SCRABBLE® Sprint
SCRABBLE® Sprint

SCRABBLE® fans, sharpen your skills!

Play the game