stingrays

noun
  1. 1

    Any of various large, venomous rays, of the orders Rajiformes and Myliobatiformes, having a barbed, whiplike tail.

  2. 2

    A device that simulates a cell tower, used to intercept cell phone communications.

Source: https://en.wiktionary.org/wiki/stingray, https://en.wiktionary.org/wiki/stingrays