διά-κενος · dia-kenos — LSJ
empty, hollow, gap, breach, interval, hollows, a vacant
empty, hollow, σφαῖρα Sor. 1.93; τὸ δ. gap, breach, Th. 4.135, 5.71; τὸ δ. τοῦ ὀδόντος Antyll. ap. Orib. 10.36.3; interval, Aristox. Harm. p.26 M.; τὰ δ. hollows, Pl. Ti. 58b, 60e; διάκενον δεδορκότα with a vacant stare, of skeletons, Luc. Nec. 15.
II empty, vain, idle
empty or vain, Pl. Lg. 820e; δ. ἑλκυσμός, of idle fancies, Chrysipp.Stoic. 2.22. Adv. -νως, ἕλκειν τὴν διάνοιαν Iamb. Myst. 2.10; κοπιᾶν Macar. 1.99.
III thin, lank
thin, lank, Plu. Lyc. 17; δ. καὶ λαγαροί Id. Publ. 15; δ. τοὺς βουβῶνας Philostr. Gym. 37.
IV porous, light
porous, Gal. 8.672; δ. ἄρτοι light bread, LXX Nu. 21.5.
V gauzy
Adv. διακένως, ζώνη δ. ὑφασμένη of a gauzy texture, J. AJ 3.7.2.