Lewis Short
ambrŏsĭa (noun F) = ἀμβροσία: .
* Lit., ambrosia, the food of the gods (as nectar was their drink): non enim ambrosiā deos aut nectare laetari arbitror,Cic. Tusc. 1, 26, 65; Ov. P. 1, 10, 11: Suaviolum dulci dulcius ambrosiā,Cat. 99, 2.—Hence: orator ambrosiā alendus, prov. once in Cic., qs. a god among orators, of a distinguished orator (opp. faenum esse), Cic. de Or. 2, 57.— Also food for the steeds of the gods: equos ambrosiae suco saturos,Ov. M. 2, 120; 4, 215 (acc. to Hom. Il. 5, 368 and 369).
* Transf.
* The unguent of the gods (so, ἀμβροσία, Hom. Il. 14, 170; 16, 670): ambrosiā cum dulci nectare mixtā Contigit os,Ov. M. 14, 606: liquidum ambrosiae diffundit odorem,Verg. G. 4, 415; id. A. 12, 419.
* The name of several plants, esp. of the botrys or artemisia, Turkish mugwort: Choenopodium botrys, Linn.; Plin. 27, 4, 11, § 28.—Another plant of this name, Plin. 27, 8, 31, § 55.
* An antidote to poison, Cels. 5, 23.
Charlton T. Lewis, Charles Short, A Latin Dictionary