Definition from Wiktionary, the free dictionary
- (dated, technical) Cork, or the corresponding layer of woody tissue below the epidermis of a plant
1869, Louis Figuier, The Vegetable World, page 39:
- In many trees the suber is very slightly developed. But this is not the case with the Cork-oak (Quercus suber).
- ^ American Journal of Philology, Volume 71, 1950