Simple Definition of cerebrum

from our Learner's Dictionary

cerebrum

noun

səˈriːbrəm

ˈserəbrəm

plural cerebrums or chiefly British cerebra -brə

medical : the front part of the brain that is believed to be where thoughts occur

Cite this Entry

Style

“Cerebrum.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/cerebrum. Accessed 15 Jun. 2026.

Copy Citation

More from Merriam-Webster

Word of the Day

tenuous

Listen to the pronunciation of tenuous

See Definitions and Examples »

Get Word of the Day daily email!

Popular in Grammar & Usage

Every Letter Is Silent, Sometimes: A-Z List of Examples

5 Verbal Slip Ups and Language Mistakes

Regarding the Incorrect Use of 'Decimate'

Is that lie 'bald-faced' or 'bold-faced'?

The Difference Between 'i.e.' and 'e.g.'

Popular in Wordplay

What to Call the Inept, Incompetent, and Inferior

Strange Words for Body Functions

Where does 'curiosity killed the cat' come from?

Cattywampus, Taradiddle, and More Funny-Sounding Words

The Words of the Week - Jun 12

Popular

Every Letter Is Silent, Sometimes: A-Z List of Examples

What to Call the Inept, Incompetent, and Inferior

Strange Words for Body Functions