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A removable or hinged cover for a hollow receptacle or box.
(noun)
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An eyelid.
(noun)
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Biology A flaplike covering, such as an operculum.
(noun)
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A curb, restraint, or limit: approved a new lid on corporate spending.
(noun)
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Informal An act of concealment; a cover: told us to keep a lid on the report until the campaign was over.
(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.