: an appendage to a handle (as of a vessel) to afford a hold for the thumb
: a part designed to be operated by the thumb or thumb and fingers: such as
: a small inside knob for a night latch
: a small knob or button to operate a catch (as on a bracelet)
dialectal : a small amount of food

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Dictionary Entries Near thumbpiece

Cite this Entry

“Thumbpiece.” Dictionary, Merriam-Webster, Accessed 3 Mar. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!