in situ: Meaning and Definition of

in si•tu

Pronunciation: (in sī't, -ty, sē' sit'), [key]
  1. situated in the original, natural, or existing place or position: The archaeologists were able to date the vase because it was found in situ.
  2. carcinoma in situ.
    1. in place or position; undisturbed.
    2. in a localized state or condition:carcinoma in situ.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.