[1] : The Collaborative International Dictionary of English v.0.48

jactation \jacta"tion\ ja^kt=a"shu^n, n. l. jactatio,
   fr. jactare: af. f. jactation. see jactancy.
   a throwing or tossing of the body; a shaking or agitation.
   --sir. w. temple.
   1913 webster
see also:
jactancy 

[2] : WordNet (r) 2.0

jactation
     n : pathology extremely restless tossing and twitching usually
         by a person with a severe illness syn: jactitation
see also:
jactitation 

Jactation >> J Words
Jactation, definition of term: Jactation
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