certificatenounfeminine/sɨɾ.ti.ˈðɐ̃w/mediumcer·ti·dãoPortuguesEnglishEspanolFrancaisDefinitionA document that serves as evidence or proof of a fact.I need a birth certificate for my application.The marriage certificate was issued by the church.syndocumentproofEtymologyDo latim 'certitānem', que significa 'certidão' ou 'documento que atesta algo'.Related wordscertificadocertificarcertificaçãocertamente