LSJ
well put together, well-built, ἐνὶ μεγάρῳ εὐ. Il. 2.661; μυχῷ κλισίης εὐ. 9.663; μυχῷ θαλάμων εὐ. Od. 23.41; σύριγγα ἐκ καρῶ εὐπάκτοιο of well-moulded, compact, wax, Theoc. 1.128 (s. v.l.); firm, of bandaging, Gal. 18(2).904.
honey-breathing, λίβανος AP 6.231 ( Phil.): metaph., μ. σῦριγξ Theoc. 1.128; αὐδά Limen. 13; Μοῦσα Tryph. 429.
III
congealed, curdled, γάλα E. Cyc. 190; πακτά, ἡ, cream-cheese, Theoc. 11.20, cf. AP 6.55 ( Barb.), POxy. 1923.19 (pl., v/vi A. D.); ἃλς π. salt obtained from brine. Nic. Al. 518; κηρός Theoc. 1.128; frozen, ὕδατα Pl. Ti. 59c ; ὕδωρ τὸ μὲν ῥέον τὸ δὲ πακτόν Ti.Locr. 99c.