The Collaborative International Dictionary of English v.0.48:

Salacity \Sa*lac"i*ty\, n. [L. salacitas: cf. F. salacit['e]]
   Strong propensity to venery; lust; lecherousness.
   [1913 Webster]

WordNet (r) 3.0 (2006):

salacity
    n 1: the trait of behaving in an obscene manner [syn:
         obscenity, lewdness, bawdiness, salaciousness,
         salacity]

The Devil's Dictionary (1881-1906):

SALACITY, n.  A certain literary quality frequently observed in
popular novels, especially in those written by women and young girls,
who give it another name and think that in introducing it they are
occupying a neglected field of letters and reaping an overlooked
harvest.  If they have the misfortune to live long enough they are
tormented with a desire to burn their sheaves.