Definition of cerebrum
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
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Merriam-Webster unabridged
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Time Traveler for cerebrum
The first known use of cerebrum was in 1578
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