Green’s Dictionary of Slang

prinado n.

[ety. unknown; Sp. prenada, pregnant (as cited in the OED) is hard to justify. Partridge opts for primada, first and thus most skilful, but the feminine ‘-a’ ending makes this link unlikely]

a card-sharp.

Show quotations
[UK]Dekker Dekker his Dreame 30: Base Heapes tumbled together, who all yell’d / Like bandogs tyed in kennels: High-way-standers, [...] Prinadoes, Bawdes, Pimpes, Panders.
[UK]R. Brathwait Whimzies 12: You shall see him guarded with a Ianizarie of Costermongers, [...] Bungs and Prinado’s, of whom he holds in fee, ofttimes prevent the Lawyer by diving too deepe into his Clients pocket .
[UK]R. Brathwait Age for Apes 231: Flankt were my troups with bolts, bands, punks, and panders, Pimps, [...] Prinado’s, highway-standers.