Lewis & Short

Pī̆sī̆da, ae, m., a Pisidian; usually Pī̆sī̆dae, ārum (old orthog. Peisidae, Plebis. Therm.), m., = Πισίδαι, Pisidians, a people of Taurus, in Asia Minor, bordering on the Phrygians, Mel. 1, 2, 5; Cic. Leg. 2, 13, 33; id. Div. 1, 1, 2; 1, 15, 25; 1, 41, 92; id. Att. 6, 5, 3; Liv. 35, 13; Claud. in Eutr. 2, 241.
In sing., Cic. Div. 1, 47, 105.
Collect.: Pisida ferox, Avien. Perieg. 1023.
Hence,

  1. A. Pī̆sī̆dĭa, ae, f., = Πισιδία, the country of the Pisidians, Pisidia, Liv. 37, 54 and 56.
  2. B. Pī̆sī̆dĭcus, a, um, adj., Pisidian: iris, Plin. 21, 7, 19, § 42.