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.
A person who provides the intelligence required for something.
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.
Brains; a person's ability to think.
A collection of cell bodies and (usually) dendritic connections, in contrast to white matter.
Literal brains as a general substance.