Is “Thumbed” a Scrabble word?

1. 1.To touch or cover with the thumb.

   “to thumb the touch-hole of a cannon”

2. 2.(with through) 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.”

3. 3.(travel) To hitchhike

   “So I started thumbin' back east, toward my hometown.”

Synonyms: browse, leaf, page, peruse

1. 1.(in combination) Having some specific type of thumb.

   “He was sore-thumbed after playing video games all day.”