Standard Lemma guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
No pronunciation record was provided for this word.
noun
A small thumb or finger-operated wheel on a mechanical or electronic device.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
History
Etymology tree English thumb Proto-Indo-European *kwel- Proto-Indo-European *kwekwléh2 Proto-Germanic *hweulō Old English hwēol Middle English whel English wheel English thumbwheel From thumb + wheel.
