plainadjectivecommon nounSyllable DecompositionplainEtymologyexpandFrom the Latin planus (flat, level, without relief).Definitions1. Which is even, flat, without inequalities.flags.vieilliexpandCe terrain est plain. La plaine campagne.2. Raw, not worked.flags.vieilliexpandUn linge plain.Translationsgerman:glattSee alsoplaine (v.) plaines (v.) Plaine (pn.) plains (adj.) plaines (cn.)