perimeternounmasculine/pɛ.riˈme.tɾu/mediumpe·rí·me·troPortuguesEnglishEspanolFrancaisDefinitionThe measurement of the outer boundary of a figure.The perimeter of the circle was calculated.We need to measure the perimeter of the land.synboundaryoutlineCommon collocationssecurity perimeterurban perimeterEtymologyDo grego 'perimetros'Related wordsperimetralperimetrar