sib

Definitions

General Science

  • noun one of the offspring of the same parents

Military

  • noun
    (written as SIB)
    the detective branch of the military police, which investigates criminal offences committed by servicemen or servicewomen while they are subject to military law (e.g. on MOD property or while on operational service)
  • acronym forSpecial Investigation Branch
    (written as SIB)
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