ˌ ̷ ̷ ̷ ̷ˈtāshən noun
( -s )
Etymology: Late Latin jactitation-, jactitatio, fr, jactitalus + -ion-, -io -ion
1.
a. archaic : boastful public assertion or ostentation
b. : false boasting or claim or other false assertion made or repeated to the prejudice of another person: as
(1) or jactitation of marriage : false and actionable pretension that one is married to someone
(2) : slander of title
2. : a tossing to and fro or jerking and twitching of the body or its parts : excessive restlessness especially in certain psychiatric disorders