Definition of in situ in English:

in situ

adjective & adverb

  • 1In the original place.

    [as adverb] ‘frescoes have been left in situ’
    [as adjective] ‘a collection of in situ pumping engines’
    in position, in situ
    View synonyms
    1. 1.1In the appropriate position.
      [as adverb] ‘her guests were all in situ’

Origin

Latin.

Pronunciation:

in situ

/ɪn ˈsɪtjuː/