Definition of "situ"

situ

noun
1. Only used in in situ.
2. (rare) Only used in ex situ.
3. (very informal) Short for situation.
  Quotations
  “Shit.” Jayavickrama pinched the bridge of his nose, squeezing his eyes shut. “What’s the situ there?”
  2005, David Blacker, A Cause Untrue, Perera-Hussein Publishing House, page 400