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| buoy [ b ee, boy ] (past and past participle buoyed, present participle buoy·ing, 3rd person present singular buoys) |
transitive verb |
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| Definition: |
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keep something up: to keep something from falling or sinking
  steps to buoy the country's currency
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| [Late 16th century. < Spanish boyar "to float" < boya "buoy"] |
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