1. thumbnail - Noun
2. thumbnail - Verb
The fingernail on the thumb.
A rough sketch (e.g., the size of one's thumbnail).
(chiefly computing) A small picture, used as a compact representation of a larger image.
(transitive) To describe concisely.
(transitive, computing) To create a smaller representation of (a larger image).
Source: en.wiktionary.orgI think that one of Tim's great qualities and abilities is in what seems like a thumbnail sketch to get something quite telling, very simply, when you're doing it or being in that thumbnail sketch, you don't feel that it's important. Albert Finney
Although the correct album cover is in the tag (file info), the thumbnail shown is incorrect. Source: Internet
Another builder where i have to type thumbnail size… you guys do know WordPress can list these options for you, right? Source: Internet
Includes "K M Peyton Bibliography: pony books only" illustrated by thumbnail cover images of many editions. Source: Internet
File:Jupiter from Voyager 1 PIA02855 thumbnail 300px max quality. Source: Internet
First, it found the purpose of creating the thumbnail images as previews to be sufficiently transformative, noting that they were not meant to be viewed at high resolution as the original artwork was. Source: Internet