Brain
Part of speech: noun
Definition: 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. An intelligent person. A person who provides the intelligence required for something. Intellect. By analogy with a human brain, the part of a machine or computer that performs calculations.
Part of speech: verb
Definition: To strike (someone) on the head. To kill (a person) by smashing that person's skull.
Example sentence: Nothing is easy in cricket. Maybe when you watch it on TV, it looks easy. But it is not. You have to use your brain and time the ball.
Encephalon
Part of speech: noun
Definition: The area of central nervous system that includes all higher nervous centers, enclosed within the skull and continuous with the spinal cord; the brain.