Is cerebral a word in the Scrabble Dictionary

Yes, cerebral is playable

...and is worth 15 points.

Found in the following dictionaries

Enable (Words with friends)
SOWPODS (Collins Scrabble Words)
OTCWL2014 (NASPA Word List 2014)
TWL06 (NASPA List 2006)

"Cerebral" Definition

adjective

Appealing to or requiring the use of the intellect; intellectual rather than emotional: "His approach is cerebral, analytical, cautious” ( Helen Dewar).
Of or relating to the brain or cerebrum.
Of or relating to the brain or the intellect.
Of, relating to, affecting, or being the.
Appealing to intellectual appreciation.