διάπλοος · diaploos — LSJ
I sailing across, sailing continually, at the oar
Adj., sailing across or sailing continually, δ. καθίστασαν λεών they kept them at the oar, A. Pers. 382.
II a voyage across, passage
as Subst., διάπλους, ὁ, a voyage across, passage, πρὸς τὸ Κήναιον Th. 3.93; ἀπὸ τῆς οἰκείας Id. 6.31.
2 room for sailing through, passage
room for sailing through, passage, δυοῖν νεοῖν for two ships abreast, Id. 4.8.
3 cross-channel
cross-channel, Pl. Criti. 118e.