Home›Browse›C›corticosteroidcorticosteroidOur editors are putting together more complete content — check back in about 20 minutescorticosteroidcorticosteroid — nounnoun1. A steroid hormone produced by the adrenal cortex or its synthetic equivalents.1.nounDefinitionA steroid hormone produced by the adrenal cortex or its synthetic equivalents.ExampleThe doctor prescribed a corticosteroid to reduce the inflammation.