01 n. A bed of earth heated by fermenting manure or other substances, and covered with glass, intended for raising early plants, or for nourishin…
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1.
A bed of earth heated by fermenting manure or other substances, and covered with glass, intended for raising early plants, or for nourishing exotics.(Gardening)
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2.
A place which favors rapid growth or development; as, a hotbed of sedition.