piscīnārĭus, a, um, adj. [piscina],
I of or belonging to fish-ponds : macellum, Varr. R. R. 3, 17 ex conject. Ponted.; v. Schneid. ad loc.—
II Subst.: piscīnārĭus , ii, m., one fond of fish-ponds , Cic. Att. 1, 19, 6; 1, 20, 3; Macr. S. 1, 11.
piscīnārius ī, m piscina, a cultivator of fish, keeper of fish-ponds . ...
An Elementary Latin Dictionary