thumb
noun
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a convex molding having a cross section in the form of a quarter of a circle or of an ellipseovolo
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the part of a glove that provides a covering for the thumb
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the thick short innermost digit of the forelimbpollex
verb
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feel or handle with the fingersfinger
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travel by getting free rides from motoristshitch
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look through a book or other written material“I thumbed through the report.”riffle