— Herculanean, Herculanensian /herr'kyeuh leuh nen"sheuhn, -see euhn/ , adj.
/herr'kyeuh lay"nee euhm/ , n.
an ancient city in SW Italy, on the Bay of Naples: buried along with Pompeii by the eruption of Mount Vesuvius in A.D. 79; partially excavated.