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: We are all now connected by the Internet, like neurons in a giant brain.
Nous
Part of speech: noun
Definition: The mind or intellect, reasonIn neoplatonism, the divine reason, regarded as first divine emanation.Common sense; practical intelligence.