Dictionary
in si•tu
Pronunciation: (in sī'tOO, -tyOO, sē'-; Latin.in sit'OO), [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. Med.
a. in place or position; undisturbed.
b. in a localized state or condition:
carcinoma in situ. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.