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).

plural of thumbnail

Third-person singular simple present indicative form of thumbnail

simple past tense and past participle of thumbnail

present participle of thumbnail

plural of thumbnailer

(computing) A program that generates thumbnail images.