Lexical Definition

‎עָב‎ ʻâb (awb) threshold H:N-M
or עֹב ʻôb (obe); from an unused root meaning to cover; properly, equivalent to ‎עָב‎; but used only as an architectural term,

thick (beam, plant).

1) an architectural term
1a) meaning dubious; perhaps projecting roof, landing, thick beam, plank, threshold

Usage: 3 forms in 3 verses
Form Translated As     In Verse(s)
וְעָ֥ב and a threshold of Ezek.41.25
וְעָ֖ב and a threshold 1Kgs.7.6
וְהָעֻבִּֽים and the thresholds Ezek.41.26

Brown-Driver-Briggs

I. ‎עָב‎, [‎עֹב‎] noun masculine architectural term, meaning unknown; projecting roof is conjectured (Sm Co Berthol); others landing (Da); AV RV thick beam or plank, RVm threshold; Benz Kit Toy leave untranslated; in any case a structure of wood; — absolute ‎וְעַמֻּדִים וְעָב‎ 1Kgs 7:6 apparently construct ‎וְעָב עֵץ אֶלפְּֿנֵי הָאוּלָם מֵהַחוּץ‎ Ezek 41:25 plural (si vera lectio) ‎הָעֻבִּים‎ vEzek 41:26. II. ‎עָב‎ see ‎עוּב‎.

Brown-Driver-Briggs References

Book Refs
1 Kings 7:6
Ezekiel 41:25 · 41:26