Meaning of JITTER in English
/jit"euhr/ , n.
1. jitters , nervousness; a feeling of fright or uneasiness (usually prec. by the ): Every time I have to make a speech, I get the jitters.
2. fluctuations in the image on a television screen or in copy received by facsimile transmission, caused by interference or by momentary failures of synchronization.
3. to behave nervously.
[ 1920-25; var. of chitter to shiver (ME chiteren ), gradational var. of CHATTER ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012