praying mantis

noun
  1. 1

    Any of various predatory, cannibalistic insects of the order Mantodea that have a prayer-like stance.

  2. 2

    (in Europe) A mantid of the species Mantis religiosa.

  3. 3

    A woman who preys on men (from the idea that female praying mantises eat males after sex).

Synonyms

Source: https://en.wiktionary.org/wiki/praying%20mantis