Definify.com
Webster 1913 Edition
Jactitation
1. 
(Law) 
Vain boasting or assertions repeated to the prejudice of another’s right; false claim. 
Mozley & W.
 2. 
(Med.) 
A frequent tossing or moving of the body; restlessness, as in delirium. 
Dunglison.
 Jactitation of marriage 
(Eng. Eccl. Law)
, a giving out or boasting by a party that he or she is married to another, whereby a common reputation of their matrimony may ensue. 
Blackstone.
Webster 1828 Edition
Jactitation
JAC'TITATION
,Noun.
  1.
  A tossing of the body; restlessness.2.
  A term in the canon law for a false pretension to marriage; vain boasting.Definition 2025
jactitation
jactitation
English
Noun
jactitation (plural jactitations)
- bragging or boasting, especially in a false manner to another's detriment
- (medicine) extreme restlessness; tossing and turning in bed