Definition of tetanus noun from the Oxford Advanced Learner's Dictionary

 

tetanus

 noun
noun
BrE BrE//ˈtetənəs//
 
; NAmE NAmE//ˈtetənəs//
 
[uncountable]
 
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a disease in which the muscles, especially the jaw muscles, become stiff, caused by bacteria entering the body through cuts or wounds Word Origin late Middle English: from Latin, from Greek tetanos ‘muscular spasm’, from teinein ‘to stretch’.
See the Oxford Advanced American Dictionary entry: tetanus