flagrantedelicto

fla·gran·te de·lic·to (flə-grăn'tē dĭ-lĭkʹtō) adv.

1. In the very act of committing an offense; red-handed.

2. In the act of having sex.

  [Medieval Latin flagrante dēlictō, while the crime is blazing : flagrante, ablative of flagrāns, blazing + dēlictō, ablative of dēlictum, offense.]

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