centerlines From WikiWord, the free dictionary English Contents DefinitionsRelated wordsReferences DefinitionsnounA line through the center that divides a shape into equal pieces. Related wordsSynonymscenter lineradiusescontourcorrugationroadbedsgeometrysubgradeilluminancecrosshatchsplinesmarkingsbermingsubbasestripingwavinesschamfer References Wiktionary — centerlines Wikipedia — centerlines