• WordNet 3.6
    • n opisthotonos severe spasm in which the back arches and the head bends back and heels flex toward the back
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Webster's Revised Unabridged Dictionary
    • n Opisthotonos (Med) A tetanic spasm in which the body is bent backwards and stiffened.
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Century Dictionary and Cyclopedia
    • n opisthotonos A tonic spasm in which the body is bent backward.
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Webster's Revised Unabridged Dictionary
NL., from Gr. backwards + a stretching


In literature:

Then I said, 'Do you not see that the child is suffering from Opisthotonos?
"Jerome Cardan" by William George Waters
Meschede speaks of opisthotonos as a rare complication in his cases.
"A System of Practical Medicine by American Authors, Vol. I" by Various