cerebrum

noun

ce·​re·​brum sə-ˈrē-brəm  ˈser-ə-brəm 

ˈse-rə-

plural cerebrums or cerebra sə-ˈrē--brə 

ˈser-ə-brə,

ˈse-rə-

1

: brain sense 1a

2

: an enlarged anterior or upper part of the brain

especially : the expanded anterior portion of the brain that in higher mammals overlies the rest of the brain, consists of cerebral hemispheres and connecting structures, and is considered to be the seat of conscious mental processes : telencephalon

Synonyms

• brain
• head
• mind
• psyche
• thinker

Examples of cerebrum in a Sentence

you'll need the patience of a saint and the cerebrum of a rocket scientist to figure out the solution to this brainteaser

Recent Examples on the Web

The relative size of the bulb is perhaps greater than in any other carnivore, the paper says, but this may just be due to the smallness of the bear’s cerebrum (its central brain). —Matt Hrodey, Discover Magazine, 22 June 2023

The cerebrum is the largest, comprising roughly 85 percent of the organ’s total weight. —Scott Lafee, San Diego Union-Tribune, 13 June 2023

Much of the growth was in the neocortex, a sublime region of the cerebrum involved in higher cognition and sensory integration. —Steve Brusatte, Scientific American, 1 June 2022

Phrenologists suggested the part of the cerebrum above the eyes, called the frontal lobe, is most important for intelligence and is proportionally larger in men, while the parietal lobe, just behind the frontal lobe, is proportionally larger in women. —The Conversation, oregonlive, 8 Aug. 2020

In addition to the amygdala, areas of the brain important for memory and attention—such as the cerebrum—also have testosterone receptors. —Erica Sweeney, Men's Health, 1 Feb. 2023

Research has shown that the basal ganglia, located in the brain’s cerebrum, is associated with habit formation. —Sara Novak, Discover Magazine, 29 Dec. 2021

According to Johns Hopkins Medicine, a stroke in the left hemisphere of the cerebrum can cause aphasia: difficulty finding the right words or understanding what others are saying, or both. —Time, 13 Oct. 2022

One of the most surprising discoveries noted in the report was Danionella cerebrum, found in southern Myanmar. —Veronika Perková, Scientific American, 25 Mar. 2022

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Word History

Etymology

Latin

First Known Use

1578, in the meaning defined at sense 2

Kids Definition

cerebrum

noun

ce·​re·​brum sə-ˈrē-brəm  ˈser-ə-brəm 

plural cerebrums or cerebra -brə 

1

: brain entry 1 sense 1a

2

: the expanded front or upper part of the brain that consists of the cerebral hemispheres and connecting structures and is reported to be the seat of conscious mental processes

Medical Definition

cerebrum

noun

ce·​re·​brum sə-ˈrē-brəm  ˈser-ə-brəm 

plural cerebrums or cerebra -brə 

1

: brain sense 1

2

: an enlarged anterior or upper part of the brain

especially : the expanded anterior portion of the brain that in higher mammals overlies the rest of the brain, consists of cerebral hemispheres and connecting structures, and is considered to be the seat of conscious mental processes : telencephalon