Lewis & Short

lătex, ĭcis, m. (f., Att. ap. Prisc. p. 658 P.), a liquid, fluid (mostly poet.).
So esp. of water: latices simulatos fontis Averni, Verg. A. 4, 512: Lethaei ad fluminis undam Securos latices et longa oblivia potant, id. ib. 6, 715: desilit in latices, Ov. M. 4, 353: fontes laticis, id. P. 3, 1, 17: occulti latices, hidden springs, Liv. 44, 33, 2: latex aquae, Sol. 5, 16: laticum frugumque cupido, thirst and hunger, Lucr. 4, 1093.
Of wine: liquoris vitigeni, Lucr. 5, 15: Lyaeus, Verg. A. 1, 686: meri, Ov. M. 13, 653: vineus, Sol. 5, 16.
Of other liquids: absinthi, juice of wormwood, Lucr. 4, 16: Palladii, oil, Ov. M. 8, 274: nivei, milk, Prud. Cath. 3, 67.