thumb notch

noun

1
: a notch of a size to admit the tip of a thumb cut in the outer edges of the pages of a book for the insertion of index letters or headings compare thumb index
2
: a half-moon cut in the sides of a slipcase to facilitate removal of the book

called also thumb cut

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Dictionary Entries Near thumb notch

Cite this Entry

“Thumb notch.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/thumb%20notch. Accessed 4 Mar. 2024.

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