definitions

thumb-index

[ thuhm-in-deks ]
/ ˈθʌmˌɪn dɛks /

verb (used with object)

to provide (a book) with a thumb index.

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Nearby words

thumb glass, thumb index, thumb knot, thumb one's nose, thumb piano, thumb-index, thumb-sucker, thumber, thumbhole, thumbkin, thumbnail

Definition for thumb-index (2 of 2)

thumb index

noun

a series of labeled notches cut along the fore edge of a book, to indicate the divisions or sections.

Origin of thumb index

First recorded in 1900–05
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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 Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012