actinidiacommon nounSyllable DecompositionactinidiaEtymologyexpandfrom the scientific name actinidia.Definitions1. Actinidia, a genus of woody vines in the Actinidiaceae family. Some species are cultivated as ornamentals and for their edible fruits, kiwis.plantesexpand2. Actinidia deliciosa.especiallyexpandPluralactinidiasSee alsoactinidias (cn.)