Lewis & Short

in-cŏquo, xi, ctum, 3, v. a., to boil in or with any thing, to boil down, to boil, seethe (not in Cic. or Cæs.).

  1. I. Lit., constr. aliquid rei alicui or re aliquā: radices Baccho, in wine, Verg. G. 4, 279: cotonea melle, Plin. 15, 17, 18. § 60: glaesum adipe suis lactentis incoctum, id. 37, 3, 11, § 46: allium fabae fractae incoctum, id. 20, 6, 23, § 56: num viperinus his cruor incoctus herbis me fefellit, Hor. Epod. 3, 7: sucum incoqui sole, Plin. 12, 17, 37, § 78: sucum cum melle, Cels. 3, 22: inter se mixta et incocta, id. ib. fin.
    1. B. Transf., to dip in, to dye: incocti corpora Mauri, colored by the sun, sunburnt, Sil. 17, 637: vellera Tyrios incocta rubores (acc. Graec.), Verg. G. 3, 307: stannum aereis operibus, i. e. to tin over, Plin. 39, 17, 48, § 162.
  2. II. Trop. (poet.): incoctum generoso pectus honesto (for imbutum), imbued, filled with nobleness, Pers. 2, 74: quos autem plena justitia et maturitas virtutis incoxerit, Lact. 7, 21, 6.