SuturePronunciation/SOO-cher/CategoryAnatomySingularSuturePluralSuturesDefinitionA line of fusion between two sclerites (hardened plates) in insects.EtymologyFrom Latin 'sutura', meaning 'a seam' or 'joint'.ExampleThe coronal suture separates the frons from the vertex in some insects.Related TermsScleritesFronsvertex