Source : Webster's Revised Unabridged Dictionary (1913)

Panamanian \Pan`a*ma"ni*an\, a.
   Of or pert. to Panama. -- n. A native or citizen of Panama.

Source : WordNet®

Panamanian
     adj : of or relating to or characteristic of Panama or its people;
           "Panamanian economy"

Panamanian
     n : a native or inhabitant of Panama