Meaning of ID in English

ID

I. ˈid noun

Etymology: New Latin, from Latin, it

Date: 1924

: the one of the three divisions of the psyche in psychoanalytic theory that is completely unconscious and is the source of psychic energy derived from instinctual needs and drives — compare ego , superego

II. abbreviation

idem

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.