רָב֧וּעַ הָיָ֛ה כָּפ֖וּל עָשׂ֣וּ אֶת־הַחֹ֑שֶׁן זֶ֧רֶת אָרְכּ֛וֹ וְזֶ֥רֶת רָחְבּ֖וֹ כָּפֽוּל׃
Ce pectoral était carré, on l’avait plié en deux; ainsi plié, il avait un empan de long et un empan de large.
Rashi
זרת ארכו וזרת רחבו A SPAN IN LENGTH AND A SPAN IN WIDTH, being double (Exodus 39:9) and it lay on him in front over his heart, as it is said, (v. 30) “And they shall be upon Aaron’s heart.” It was suspended from the shoulder-pieces of the ephod which came from behind him upon his shoulders and hung over and fell down a little way in front of him, and the breast-plate was suspended from them by means of the chains and rings, as is explained in the section (vv. 22—29).