noun, feminine/tɾaˈpaθa/plural: trapazas
ruse, trickery, swindle, rogue artifice
“El no decir verdad será mérito; el embuste y la trapaza, caballería; y la insolencia, donaire.” — The not saying truth will be virtuous; the hoax and ruse cavalierism; and the insolence elegance.
Related: trapazar, trapacear, trapacería, trapacero
Borrowed from Portuguese trapaça (“cheating, swindle, trickery”).