Word Study
thumbprint
THESAURUS
thumbprint
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, vestigeFor further exploring for "thumbprint" in Webster Dictionary Online