noun🔗ShareÉlitrosA sheath or outer covering, especially around the spinal cord or over the hindwings of certain insects."The shiny, hardened elytra of the beetle protected its delicate wings underneath. "Los élitros brillantes y endurecidos del escarabajo protegían sus delicadas alas debajo.anatomyinsectbiologyanimalsciencepartChat with AIVocabulary GamePractice Reading