definition of
psyche

[1] #1 psyche n. [mind, head, brain, nous] that which is responsible for one's thoughts and feelings; the seat of the faculty of reason; "his mind wandered"; "I couldn't get his words out of my head". wn

[2] #2 psyche n. [soul] the immaterial part of a person; the actuating cause of an individual life. wn

[3] #3 psyche n. [Psyche] (Greek mythology) a beautiful princess loved by Cupid who visited her at night and told her she must not try to see him; became the personification of the soul. wn