Origin: 1625–35; < ML jactitātiōn- (s. of jactitātiō) tossing, equiv. to L jactitāt(us) (ptp. of jactitāre, freq. of jactāre to throw about; see jactation) + -iōn--ion
A false boasting or claim, especially one detrimental to the interests of another.
Extreme restlessness or tossing in bed, as can occur with some forms of acute disease.
[Medieval Latin iactitātiō, iactitātiōn-, false declaration, from Latin iactitātus, past participle of iactitāre, to utter, frequentative of iactāre, to boast, frequentative of iacere, to throw; see yē- in Indo-European roots.]
Main Entry: jac·ti·ta·tion Pronunciation: "jak-t&-'tA-sh&n Function: noun : a tossing to and fro or jerking and twitching of thebody or its parts : excessive restlessness especially in certain psychiatric disorders —jac·ti·tate/'jak-t&-"tAt/transitive verb-tat·ed; -tat·ing