Lewis & Short

lignōsus, a, um, adj. [lignum],

  1. I. like wood, woody: caules, Plin. 25, 6, 29, § 65: glutinum, id. 28, 17, 71, § 236.
    Comp.: lignosiora sunt reliqua, Plin. 19, 5, 27, § 88.
  2. II. Stony, having a large stone or kernel: fructus, Plin. 24, 9, 42, § 69: nucleus, id. 13, 19, 34, § 112.