'Jactation' definitions:

Definition of 'jactation'

(from WordNet)
noun
(pathology) extremely restless tossing and twitching usually by a person with a severe illness [syn: jactitation, jactation]

Definition of 'Jactation'

From: GCIDE
  • Jactation \Jac*ta"tion\ (j[a^]k*t[=a]"sh[u^]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]