1
: caused by or as if by elimination of cerebral brain function : characteristic of decerebration
decerebrate rigidity
2
: having the cerebrum removed or made inactive
decerebrate lab animals

decerebrate

2 of 2

verb

decerebrated; decerebrating; decerebrates

transitive verb

: to remove the cerebrum from
also : to make incapable of cerebral activity

Word History

First Known Use

Adjective

1897, in the meaning defined at sense 1

Verb

circa 1900, in the meaning defined above

Time Traveler
The first known use of decerebrate was in 1897

Browse Nearby Words

Cite this Entry

“Decerebrate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/decerebrate. Accessed 1 Apr. 2025.

Medical Definition

1
: having the cerebrum removed or made inactive
decerebrate rats
2
: characteristic of decerebration
decerebrate rigidity
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