Source : Webster's Revised Unabridged Dictionary (1913)

Pomptine \Pomp"tine\, a.
   See {Pontine}.

Pontine \Pon"tine\, a. [L. Pontinus or Pomptinus, an appellation
   given to a district in Latium, near Pometia.]
   Of or pertaining to an extensive marshy district between Rome
   and Naples. [Written also {Pomptine}.]