per·coid I. \ˈpərˌkȯid\adjective orper·coi·de·an\(ˌ)pərˈkȯidēən\ Etymology:percoid from New Latin Percoidea; percoidean from New Latin Percoidea + English -an : of or relating to the Percoidea II. noun orpercoidean\“\ (-s) : a fish of the suborder Percoidea