Boss
Hastings' Dictionary of the Bible [1]
BOSS . Only Job 15:26 , where it is doubtful whether metal bosses for strengthening the shield are implied in the figure, or whether we should render ‘the stout curves of his bucklers.’
A. R. S. Kennedy.
Morrish Bible Dictionary [2]
A projection, sometimes rising to a sharp point, in the centre of a shield. Job 15:26 .
International Standard Bible Encyclopedia [3]
bos : Occurs only in the plural as a translation of גב , gabh = "arch," or "protuberance," referring to the curved ornaments of a shield ( Job 15:26 ), the central knob of the buckler.
Cyclopedia of Biblical, Theological and Ecclesiastical Literature [4]
( גִּב, gab, literally the back or gibbous part of any thing, spoken elsewhere of earthen bulwarks ["bodies"] or ramparts, Job 13:12; the vault ["eminent place," etc.] of a brothel, Ezekiel 16:24; 31:39; the eye- "brows," Leviticus 14:9; the rim or "nave" of a wheel, 1 Kings 7:33), the exterior convex part of a buckler, Job 15:26 (comp. Schultens, Comm. in loc.). (See Shield).