Lewis & Short

mĕlandryum, i, n., = μελάνδρυον, a piece of salted tunny-fish: ceterā parte plenis pulpamentis sale asservantur melandrya vocantur, caesis quercus assulis simillima, i. e. like the black heart of oak, Plin. 9, 15, 18, § 48; Mart. 3, 77, 7; Varr. L. L. 5, 12, § 77 Müll.