thumbpiece

American  

[thuhm-pees] / ˈθʌmˌpis /

noun

1. a lever over the hinge on the lid of a tankard, pressed by the thumb to raise the lid.

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Etymology

Origin of thumbpiece

First recorded in 1750–60; thumb + piece

Example Sentences

Above the handle, and attached to the lid, a metal flange or thumbpiece.

From Project Gutenberg

Grasp the handle, press your thumb on the thumbpiece—and presto, the lid heaves up.

From Project Gutenberg

A thumbpiece must be sewn on the bag at the hasp to open it by.

From Project Gutenberg