You know what it looks like… but what is it called?
TAKE THE QUIZ“course bond”
We have one entry that includes the term course bond.
block-in-course bond
noun: a bond used in brick arches in which the arch is divided into sections similar in shape to the voussoirs of stone arches with the brick in each section laid with any desired bond but with the radial joints between sections continuous from intrados to extrados
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Merriam-Webster unabridged