tetanus
Pronunciation: /ˈtɛt(ə)nəs/
noun
- 1a bacterial disease marked by rigidity and spasms of the voluntary muscles. See also trismus.
- This disease is caused by the bacterium Clostridium tetani; Gram-positive anaerobic rods

Origin:
late Middle English: from Latin, from Greek tetanos 'muscular spasm', from teinein 'to stretch'