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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 a ride, thumb drive, thumber, 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. 2023
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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