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perp

/pɜːp/ noun

noun Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about perp at Wordnik → Where our words come from →

  1. A perpetrator.
    "We have the perp in custody," the policeman said.

adjective

  1. Clipping of perpendicular.
    a perp window

noun

  1. A perpetual bond.
  2. Perpetual futures.

Origin

Clipping of perpetrator.

From Wiktionary, via Kaikki.org (CC BY-SA)