pluteum Save Could not find pluteo in Logeion dictionaries. pluteo Noun: neuter dative singular, Noun: neuter ablative singular of pluteum pluteo Noun: masculine ablative singular, Noun: masculine dative singular of pluteus See pluteo in Morpho Gaffiot 2016 Du Cange plŭtĕum, ī, n. , rare c. pluteus. PLUTEUM. Scriptorium ; tabulatum. Dief.