planícienounfeminine/plɐˈnisi/mediumpla·ni·ci·ePortuguesEnglishEspanolFrancaisDefinitionAn extensive area of flat or gently undulating land, usually at low altitude.The Alentejo plain stretches as far as the eye can see.The river meandered through the vast plain.synplainflatlandlowlandantmountainhillvalleyCommon collocationsvast plainalluvial plaincoastal plainEtymologyDo latim 'planities, -ei' (superfície plana).Related wordsplanoplanícieaplanarplanura