Phrase 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
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No pronunciation record was provided for this word.
noun
A semicircular key that fits partly into a circular segment keyseat, with the remainder fitting into a longitudinal slot keyway in the mating part.
Definition source: English Wiktionary via Wiktextract
Topics: engineering, natural-sciences, physical-sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
Broader terms: key, part, component
History
Developed by William N. Woodruff of Hartford, Connecticut, in the 1880s, to improve on existing keying practice with more economical keyseat cutting; in the era's technological context, this design offered what is today called a DFM improvement (US patent 368744).
