Dictionary entry

πέλαγος

G. Abbott-Smith's A Manual Greek Lexicon of the New Testament with Strong's

** πέλαγος, -ους, τό,

[in LXX: II Mac 5:21, IV Mac 7:1*;]

the deep sea, the deep, the sea: Ac 27:5; τὸ π. τῆς θαλάσσης, Mt 18:6.

SYN.: θαλάσσα (q.v.); and cf. ἄβυσσος.