air plug

noun

Definition of air plug 

: a removable plug screwed into a watertight manhole or scuttle cover

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First Known Use of air plug

1864, in the meaning defined above

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Dictionary Entries near air plug

air plant

airplay

air plot

air plug

air pocket

air police

air-pop

Statistics for air plug

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Time Traveler for air plug

The first known use of air plug was in 1864

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