Noun

1. An object, usually in the form of a statuette, cup, or shield, awarded for success in a competition or to mark a special achievement.

   He won the trophy in a running competition.

2. An object taken as a prize by a hunter or conqueror, especially one that is displayed.

   The set of antlers which hung on the wall was his prized trophy.

3. An object taken by a serial killer or rapist as a memento of the crime.
   • 1994, Philip Jenkins, Using Murder: The Social Construction of Serial Homicide http://books.google.com/books?id=nhXmk3Tm-SQC, ISBN 0202305252, page 117:

   The souvenirs which many killers retain of their victims are often described as trophies, and Norman Bates's taxidermic interests derived from the real-life Ed Gein.

   • 2001, R. Michael Gordon, Alias Jack the Ripper: Beyond the Usual Whitechapel Suspects http://books.google.com/books?id=n5PWnVtQs4MC, ISBN 0786408987, page 82:

   A trophy from this murder would have been of great importance.

   • 2004, Ronald F. Becker, Criminal Investigation http://books.google.com/books?id=YDGaGSdjc6kC, ISBN 0763731684, page 168:

   The offender is also likely to mentally relive his killings, often with the help of souvenirs or trophies, such as a bracelet or a body part taken from the victim.