glastum

Latin > English (Lewis & Short)

glastum: i, n.,
I the herb woad, used in dyeing blue, usually called Isatis tinctoria, Linn.; Plin. 22, 1, 2, § 2.

Latin > French (Gaffiot 2016)

glastum, ī, n., guède, pastel [dont les feuilles servent à teindre en bleu] : Plin. 22, 2.

Latin > German (Georges)

glastum, ī, n. (gallisches Wort), Waid, Plin. 22, 2.