flatadjectivemasculine/feminine/ˈplɐnɐ/highpla·naPortuguesEnglishEspanolFrancaisDefinitionHaving a surface without slopes, curves, or irregularities; flat, level.Find a flat surface to work on.The countryside here is remarkably flat.synflatlevelevenEtymologyDo latim 'planus' (chato, liso, raso).Related wordsplanoplanaraplanarplanície