thumbpiece
[ thuhm-pees ]
/ ˈθʌmˌpis /
noun
a lever over the hinge on the lid of a tankard, pressed by the thumb to raise the lid.
Also called
billet.
Words nearby thumbpiece
thumbhole,
thumbkin,
thumbnail,
thumbnail sketch,
thumbnut,
thumbpiece,
thumbprint,
thumbs up,
thumbs-down,
thumbs-up,
thumbscrew