Dictionary entry

ὀπή

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

ὀπή, -ῆς, ἡ,

[in LXX for חֹר, חָגוּ, etc.;]

an opening, a hole: Ja 3:11 (cf. Ex 33:22), He 11:33 (cf. Ob 3).†