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thumb index
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noun
a series of labeled notches cut along the fore edge of a book, to indicate the divisions or sections.
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Origin of thumb index
First recorded in 1900–05
Words nearby thumb index
thumb drive, thumber, thumb forceps, thumb glass, thumbhole, thumb index, thumbkin, thumb knot, thumbnail, thumbnail sketch, thumbnut
Other definitions for thumb index (2 of 2)
thumb-index
[ thuhm-in-deks ]
/ ˈθʌmˌɪn dɛks /
verb (used with object)
to provide (a book) with a thumb index.
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
How to use thumb index in a sentence
British Dictionary definitions for thumb index
thumb index
noun
a series of indentations cut into the fore edge of a book to facilitate quick reference
verb thumb-index
(tr) to furnish with a thumb index
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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