[16] See, _e.g._, Exod. xxiv. 10; Ezek. i. 26.
The "robe of the ephod" was woven in one piece, and all of blue. In that it was thus without seam, was symbolised the wholeness and absolute integrity necessary to him who should bear the high priestly office. In that it was made all of blue, the colour which symbolised the God of heaven as manifesting Himself to Israel in condescending love, in the holy law and covenant, this robe of the ephod specially marked the high priest as the minister of Jehovah and of His revealed law.
The ephod, which depended from the shoulders before and behind, according to the usage of Scripture, was the garment specially significant of rule and authority; a thought which reached full expression in the breast-plate which was fastened to it, which contained the Urim and Thummim, by which God's will was made known to Israel in times of perplexity, and was called "the breast-plate of judgment."
The ornamentation of these garments had also a symbolic meaning, though it may not be in each instance equally clear. In that the high priest, as thus robed, bore upon the ephod and the breast-plate of judgment, graven on precious stones, the names of the twelve tribes of Israel, he was marked as one who in all his high-priestly work before and with God, presented and represented Israel. In that the names were engraven upon precious stones was signified the exceeding preciousness of Israel in God's sight, as His "peculiar treasure." In that, again, they were worn upon his shoulders, Aaron was represented to Israel as upholding and bearing them before God in the strength of his office; in that he wore their names upon his breast, he was represented as also bearing them upon his heart in love and affection.
The symbolic meaning of the pomegranates and golden bells, which formed the border of the robe of the ephod, is not quite so clear. But we may probably find a hint as to their significance in the Divine direction as to the border of blue which every Israelite was to wear upon the bottom of his garment (Numb. xv. 39). The purpose of this is said to be that it might be for a continual reminder of the law: "It shall be unto you for a fringe, that ye may look upon it, and remember all the commandments of the Lord, and do them." If then this border in the garment of each individual member of the priestly nation was designed symbolically to mark them as the keepers of the law of the God of heaven, we may safely infer an analogous meaning in the similar border to the official garment of the high priest. And if so, then we shall perhaps not be far out of the way if in this case we follow Jewish tradition in regarding the pomegranate, a fruit distinguished by being filled to the full with seeds, as the symbol, _par excellence_, of the law of commandments, the words of the living God, as "incorruptible seed," endowed by Him with vital energy and power.[17]
[17] Thus _e.g._, in Cant. iv. 13, where the Revised Version reads, "Thy shoots are an orchard of pomegranates," the Jewish paraphrast in the Chaldee Targum renders, "Thy young men are filled with the commandments (of God) like unto pomegranates (_sc._ with their seeds)."
As for the bells, we naturally think at once of the common use of the bell to give a signal, and announce what one may be concerned to know. So we read of these golden bells (Exod. xxviii. 35), "the sound thereof shall be heard when he goeth in unto the holy place before the Lord ... that he die not."
These golden bells in the border of his garment, between each pair of pomegranates, thus announced him as officially appearing before God as the fulfiller of the law of commandments, and as, for this reason, acceptable to God in the execution of his high-priestly functions.