Lewis & Short

lāser (lāsar), ĕris, n., the juice of the plant laserpitium, assafœtida.

  1. I. Lit.: laser e silphio profluens, Plin. 22, 23, 49, § 101; cf.: cujus sucum vocant laser, id. 19, 3, 15, § 38: laser Cyrenaicum vino diluere, Col. Arb. 23.
    Jestingly of Maecenas: laser Arretinum, Aug. ap. Macr. S. 2, 4, 12.
    Form lasar: lasaris radix, Apic. 8, 7.
  2. II. Meton., the plant laserpitium itself: laseris radix, Plin. 19, 8, 43, § 153; Scrib. Comp. 192: 196.