rapacity

[L. rapacitas: cf. F. rapacité. See Rapacious.]

1. The quality of being rapacious; rapaciousness; ravenousness; as, the rapacity of pirates; the rapacity of wolves.

2. The act or practice of extorting or exacting by oppressive injustice; exorbitant greediness of gain. «The rapacity of some ages.» Sprat.

noun

The quality or condition of being voracious: avidity, edacity, omnivorousness, rapaciousness, ravenousness, voracity. See desire.

The noun has 2 meanings:

Meaning #1: extreme gluttony
  Synonyms: edacity, esurience, rapaciousness, voracity, voraciousness

Meaning #2: reprehensible acquisitiveness; insatiable desire for wealth (personified as one of the deadly sins)
  Synonyms: avarice, greed, covetousness, avaritia