It was foursquare; they made the breastplate double: a span was the length thereof, and a span the breadth thereof, being doubled.

EXODUS 39:9KJV
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What does Exodus 39:9 mean?

Exodus 39:9 describes the shape and size of the breastplate made for the high priest’s garments, stating that it was square (“foursquare”) and made double, measuring a span in both length and width. The verse emphasizes that the breastplate was carefully constructed to specific dimensions, ensuring it was both sturdy and symmetrical.

In this part of Exodus, skilled craftsmen are making the garments for Aaron, the high priest, as instructed by God through Moses. The breastplate was an important piece, designed to hold the twelve stones representing the tribes of Israel. The details about its shape and size show the care and precision involved in following God’s instructions for worship in the tabernacle.

The Hebrew behind Exodus 39:9

  • The word “foursquare” (רָב֔וּעַ, rāvuaʿ) means “square-shaped,” highlighting that the breastplate was not rectangular or another shape, but perfectly square.
  • The word “double” (כָּפַל, kāfal) is used twice, once as “made double” and again as “being doubled,” indicating the breastplate was folded or layered, likely for strength and to form a pouch.
  • The word “span” (זֶרֶת, zeret) refers to a specific measurement, roughly the width of a hand (about 9 inches or 22 centimeters), so the breastplate was about this size in both directions.

Why Exodus 39:9 matters

  • This verse clarifies that the breastplate was not just decorative but carefully engineered, likely to hold the stones securely and possibly to create a pouch for the Urim and Thummim.
  • The repeated mention of “double” underlines the importance of durability and function, not just appearance, in the priestly garments.
  • The detailed measurements connect this verse to the broader theme in Exodus of following God’s instructions exactly, reflecting obedience and reverence in worship.