situated in the original, natural, or existing place or position: The archaeologists were able to date the vase because it was found in situ.
in place or position; undisturbed.
(especially of a malignant tumor) in a localized state or condition: carcinoma in situ.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
British Dictionary definitions for in situ
in the natural, original, or appropriate position
pathol (esp of a cancerous growth or tumour) not seen to be spreading from a localized position
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cultural definitions for in situ
In the original place or arrangement: “The body was left in situ until the police arrived.” From Latin, meaning “in position.”
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.