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A rapid intermittent eye movement, as that which occurs when the eyes fix on one point after another in the visual field.
[French, jerk, jolt, from Middle French, from Old French dialectal saquer, to jerk, pull, variant of Old French sachier, to pull forcefully, turn over, shake up, from sac, sack (perhaps in reference to the shaking of bags of wheat to settle their contents); see sac1.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
1. (Physiology) the movement of the eye when it makes a sudden change of fixation, as in reading
2. (Horse Training, Riding & Manège) a sudden check given to a horse
[C18: from French: a jerk on the reins of a horse]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
a rapid, irregular eye movement that occurs when changing focus from one point to another, as while reading or looking out from a moving train.
[1950–55; < French saccade jerk, jolt < Middle French saqu(er) to pull violently]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Noun||1.||saccade - a rapid, jerky movement of the eyes between positions of rest|
eye movement - the movement of the eyes
|2.||saccade - an abrupt spasmodic movement|
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