lockjaw
Lockjaw (noun) means a common name for tetanus, a disease that causes severe muscle spasms, especially in the jaw. Example: “Untreated lockjaw can be fatal if it affects the muscles used for breathing.”
How to use lockjaw
Learner’s notesIn plain EnglishThe everyday name for tetanus, a bacterial infection that stiffens the jaw and other muscles.
Word forms
- Plural
- lockjaws
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Untreated _____ can be fatal if it affects the muscles used for breathing.
Etymology
A compound of lock + jaw, describing how the jaw muscles seize up.
Synonyms
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