ἄγκοινα · ankoina — LSJ
poet. for ἀγκάλη, only in pl., Ζηνὸς . . ἐν ἀγκοίνῃσιν ἰανεις Il. 14.213, cf. Od. 11.261, Hes. Fr. 245, A.R. 2.954.2. metaph., anything enfolding, ἐν χθονὸς ἀγκοίναις AP 9.398 (Jul.Aegypt.), cf. Opp. H. 3.34.
halyard, IG 2.794b20, al., prob. in Alc. 18.9.