plural of thumb position

Misspelling of thumbs up.

plural of opposable thumb

plural of thumb-toe

Of a book, having a thumb index.

plural of thumb index

A series of alphabetically marked or otherwise labelled semicircular cut-outs in the fore edge of a large reference book, encyclopaedia, Bible, etc., that allows quick access to various parts of the text.

plural of thumb wrestle

A thumb war.

plural of thumb war