01 n. The place where water, air, or other substance is taken into a pipe, conduit, or machine; -- opposed to outlet.
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1.
The place where water, air, or other substance is taken into a pipe, conduit, or machine; -- opposed to outlet.
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2.
the beginning of a contraction or narrowing in a tube or cylinder.
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3.
The quantity taken in; as, the intake of air.