Medullum Save Could not find Medullorum in Logeion dictionaries. Medullorum Proper-name noun neuter genitive plural of Medullum Medullorum Proper-name noun masculine genitive plural of Medullus See Medullorum in Morpho Gaffiot 2016 Mĕdullum, ī, n. , ancienne ville du Latium : Plin. 3, 68.