ostrum

ostrum ī, n

, ὄστρεον, the blood of the seasnail, purple: ostro Perfusae vestes, V.: Sidonium, H.: Tyrium, O.—A stuff dyed with purple, purple dress, purple covering, purple: strato ostro, purple couches, V.: velare umeros ostro, V.: cenae sine aulaeis et ostro, H.