plural of thumbmark

Part of an object to accommodate a person's thumb, such as on the ornamental handle of a tankard.

plural of thumbpiece

(idiomatic) Distinct in a way that draws negative attention; out of place; conspicuous.

Synonym of thumbikins

(engineering) A nut with a knurled rim which can be turned with thumb and forefinger. / Synonym of wingnut

plural of thumbnut

Marked with thumbmarks.

Marked with thumbprints.

plural of thumbnailer