Bible Encyclopedias
Plank

Cyclopedia of Biblical, Theological and Ecclesiastical Literature

(עֵוֹ , ets, Ezekiel 41:25, a tree [i.e. beam], as elsewhere usually rendered; צֵלָע, tseld, a rib [or side], 1 Kings 6:15, as elsewhere generally rendered; עֹב, ob [probably the same as עָב, ab, a threshold, or "thick beam," 1 Kings 7:6; "thick (plank)," Ezekiel 41:25], "thick plank," Ezekiel 41:26).

Bibliography Information
McClintock, John. Strong, James. Entry for 'Plank'. Cyclopedia of Biblical, Theological and Ecclesiastical Literature. https://www.studylight.org/​encyclopedias/​eng/​tce/​p/plank.html. Harper & Brothers. New York. 1870.