A person who provides the intelligence required for something.
A part of the brain, especially associated with particular mental functions, abilities, etc.
Mind.
A loose compartment of a backpack that straps on over the top opening.
An intellectual or mental capacity.
By analogy with a human brain, the part of a machine or computer that performs calculations.
Oral sex.
An intelligent person.
Intellect.
The control center of the central nervous system of an animal located in the skull which is responsible for perception, cognition, attention, memory, emotion, and action.
To strike (someone) on the head.
To destroy; to put an end to.
To dash out the brains of; to kill by smashing the skull.
An intellectually brilliant person who excells at using his or her mental abilities for negative or harmful ends; especially a criminal mastermind .
The spirit each person is believed to have in attendance, according to certain religious or mythological traditions, which tries to negatively influence him, and is opposed by his good genius; loosely, someone who is a bad influence.