(n) :
the short thick digit of the hand that for humans has the most mobility and can be made to oppose (moved to touch) all of the other fingers; the part of a slider that may be moved linearly along the slider
(v) :
to touch with the thumb; to turn the pages of (a book) in order to read it cursorily
"I thumbed through the book and decided not to bother reading it all."
(n) :
the short thick digit of the hand that for humans has the most mobility and can be made to oppose (moved to touch) all of the other fingers; the part of a slider that may be moved linearly along the slider
(v) :
to touch with the thumb; to turn the pages of (a book) in order to read it cursorily
"I thumbed through the book and decided not to bother reading it all."