Lexical Definition

‎αἰγιαλός‎ aigialós (ahee-ghee-al-os') shore ^G:N-M
from (to rush) and ‎ἅλς‎ (in the sense of the sea

shore.

• a beach (on which the waves dash)

Abbott-Smith

αἰγιαλός, -οῦ, ὁ (on the derivation, v. Boisacq, s.v.), [in LXX: Jg 5:17 (חוֹף), Si 24:14*;]
the sea-shore, beach (cf. Field, Notes, 146; DCG, i, 175 f.; MM, VGT, s.v.): Mt 13:2, 48, Jo 21:4, Ac 21:5 27:39, 40.†

Abbott-Smith References

Liddell-Scott-Jones

αἰγιαλός, ὁ,

sea-shore, beach, [Refs 8th c.BC+]; distinguished from ἀκτή, [Refs 5th c.BC+]; αἰγιαλὸν ἔνδον τρέφει a whole beach of voting-pelbles, [Refs 5th c.BC+], of deaf persons, [Refs 2nd c.AD+]