noun, masculine/ˈpweɾko/plural: puercos
puerco is masculine in Spanish.
pig; pork (the meat of a pig); police officer; "pig"
Synonyms: cerdo, chancho, cocho, cochino, cuchí, gorrino, guarro, marrano
Inherited from Old Spanish puerco, from Latin porcus, from Proto-Italic *porkos, from Proto-Indo-European *pórḱos (“young swine, young pig”). The "police officer" slang sense is apparently a semantic loan from English pig.