índice polegar

البرتغالية - الإنجليزية

تعريف índice polegar في البرتغالية الإنجليزية القاموس.

thumb index

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

a line of round cuts in the edge of a large book which have the letters of the alphabet on them and help you find the part of the book you want