Found 2 items, similar to Opisthotonos.
English → English (WordNet) Definition: opisthotonos opisthotonos n : severe spasm in which the back arches and the head bends back and heels flex toward the back
English → English (gcide) Definition: Opisthotonos Opisthotonos \Op`is*thot"o*nos\, n. [NL., from Gr. ? backwards + ? a stretching.] (Med.) A tetanic spasm in which the body is bent backwards and stiffened. [1913 Webster]