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Definition of Lockjaw
1. Noun. An acute and serious infection of the central nervous system caused by bacterial infection of open wounds; spasms of the jaw and laryngeal muscles may occur during the late stages.
Definition of Lockjaw
1. n. A contraction of the muscles of the jaw by which its motion is suspended; a variety of tetanus.
Definition of Lockjaw
1. a form of tetanus [n -S]
Medical Definition of Lockjaw
1. An infection caused by the micro-organism Clostridium tetani. Symptoms include muscular rigidity, contractions and pain with stiffness in the jaw muscles. (27 Sep 1997)