An Encylopedia Britannica Company

Learner's Dictionary mobile search

×

Learner's Dictionary

genus

1 ENTRIES FOUND:

genus (noun)

Save

genus /ˈʤiːnəs/ noun

plural genera /ˈʤɛnərə/

genus

/ˈʤiːnəs/

noun

plural genera /ˈʤɛnərə/

Learner's definition of GENUS

[count] biology

: a group of related animals or plants that includes several or many different species

Comments & Questions

Comments & Questions

What made you want to look up genus? Include any comments and questions you have about this word.

ASK THE EDITOR

When should I use don't and when should I use doesn't?

See the answer »

LEARNER'S QUIZZES

Vocabulary Quiz Icon

Vocabulary Quiz

Test your word power

Take the Quiz »

Name That Thing Icon

Name That Thing

Take our visual quiz

Test Your Knowledge »

LEARNER'S WORD OF THE DAY

Inconsiderate Illustration

: not thinking about the rights and feelings of other people

Learn More »

The Merriam-Webster
Unabridged Dictionary

Merriam-Webster Unabridged Book Cover

Online access to a
legendary resource
Log In or Sign Up »

Learning Spanish?
We can help

Learner's Dictionary Book Cover

Visit our free site designed
especially for learners and
teachers of Spanish
SpanishCentral.com »

Woman With Cell Phone

Our Dictionary,
On Your Devices

Merriam-Webster,
With Voice Search
Get the Free Apps! »

Merriam-Webster's
Visual Dictionaries

Visual Dictionary Book Cover

The new edition of the
remarkable reference
features 8,000
illustrations.
Learn More »

Join Us

Learner's Dictionary
on Twitter »

Learner's Dictionary
on Facebook »

Bookstore: Digital and Print

Merriam-Webster references for Mobile, Kindle, print, and more. See all »

Other Merriam-Webster Dictionaries

Webster's Unabridged Dictionary » Britannica English - Arabic Translation » Nglish - Spanish-English Translation »

Spanish Central » Visual Dictionary » WordCentral for Kids »

Browse the Learner's Dictionary

© 2017 Merriam-Webster, Incorporated