opisthotonos

Medical Dictionary

opisthotonos op·is·thot·o·nos (ŏp'ĭs-thŏt'n-əs)
n.
A tetanic spasm in which the head and feet are drawn backward and the spine arches forward.


o·pis'tho·ton'ic (ə-pĭs'thə-tŏn'ĭk) adj.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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WordNet
opisthotonos

noun
severe spasm in which the back arches and the head bends back and heels flex toward the back 
WordNet® 3.0, © 2006 by Princeton University.
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00:10
Opisthotonos is always a great word to know.
So is doohickey. Does it mean:
a gadget; dingus; thingumbob.
a scrap or morsel of food left at a meal.
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