lentiscĭnus — Lewis & Short
lentiscĭnus, a, um, adj.lentiscus,
I of or from the mastic-tree:
oleum,Plin. 23, 2, 32, § 65:
resina,id. 24, 6, 22, § 36; Cael. Aur. Acut. 2, 37, 197 al.