buttress
noun/ˈbʌtrəs/
/ˈbʌtrəs/
- a structure made of stone or brick that supports a wall
- It was necessary to strengthen the building with large external buttresses.
Word OriginMiddle English: from Old French (ars) bouterez ‘thrusting (arch)’, from boter ‘to strike or thrust’, of Germanic origin.
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buttress