Thumbprint

Noun

 * 1) A print, mark or impression made by a thumb.

Hypernyms

 * fingerprint

Thesaurus
boss, bump, colophon, concavity, convexity, dactylogram, dactylograph, dent, dint, embossment, excrescence, fingerprint, footmark, footprint, footstep, fossil footprint, ichnite, ichnolite, impress, impression, imprint, indent, indentation, indention, lump, pad, paw print, pawmark, pimple, print, pug, pugmark, seal, sigil, signet, stamp, step, stud, thumbmark, vestige