THUMB INDEX

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

One of a series of rounded notches in the fore edge of a book to indicate sections

Classified under:

Nouns denoting man-made objects

Hypernyms ("thumb index" is a kind of...):

notch (a V-shaped or U-shaped indentation carved or scratched into a surface)

Credits