Definition of titubation in English:
 titubation
nounˌtɪtjʊˈbeɪʃ(ə)nˌtɪtʃəˈbeɪʃən
mass nounMedicine Nodding movement of the head or body, especially as caused by a nervous disorder.
 Example sentencesExamples
-  The titubation is person dependent and can be reduced by a fixation of the human body.
 -  She has constant titubation and rhythmic jerking of her entire upper and lower extremities, obvious eye nystagmus and difficulty in initiating ocular saccades.
 -  My guess would be that this is simple titubation and will resolve with age.
 -  He was complaining of head titubation which started approximately a year ago.
 -  For the next act of our little drama I sat silently while she complained, nodding my head so much I looked like a sufferer of rampant titubation.
 
Origin
  
Mid 17th century: from Latin titubatio(n-), from titubare 'to totter'.
   Definition of titubation in US English:
 titubation
nounˌtɪtʃəˈbeɪʃənˌtiCHəˈbāSHən
Medicine Nodding movement of the head or body, especially as caused by a nervous disorder.
 Example sentencesExamples
-  She has constant titubation and rhythmic jerking of her entire upper and lower extremities, obvious eye nystagmus and difficulty in initiating ocular saccades.
 -  He was complaining of head titubation which started approximately a year ago.
 -  My guess would be that this is simple titubation and will resolve with age.
 -  The titubation is person dependent and can be reduced by a fixation of the human body.
 -  For the next act of our little drama I sat silently while she complained, nodding my head so much I looked like a sufferer of rampant titubation.
 
Origin
  
Mid 17th century: from Latin titubatio(n-), from titubare ‘to totter’.