[{"Bold_text": "noun", "List Items": ["the short, thick, inner digit of the human hand, next to the forefinger.", "the corresponding digit in other animals; pollex.", "the part of a glove or mitten for containing this digit.", "Architecture.an ovolo or echinus molding."]}, {"Bold_text": "verb (used with object)", "List Items": ["to soil or wear with the thumbs in handling, as the pages of a book.", "to glance through (the pages of a book, leaflet, etc.) quickly.", "to play (a guitar or other instrument) with or as with the thumbs.", "(of a hitchhiker) to solicit or get (a ride) by pointing the thumb in the desired direction of travel."]}]