What does "buttress" mean?

Buttress: Anything which supports or strengthens. "The ground pillar and buttress of the good old cause of nonconformity." South. Flying buttress. See Flying buttress.

Additional senses

  1. 2.To support with a buttress; to prop; to brace firmly. To set it upright again, and to prop and buttress it up for duration. Burke.

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