saccade

[ sa-kahd, suh- ]
/ sæˈkɑd, sə- /

noun

the act of checking a horse quickly with a single strong pull of the reins.
Ophthalmology. the series of small, jerky movements of the eyes when changing focus from one point to another.

Origin of saccade

1720–30; < French saccade jerk, jolt, orig., movement of a horseman who abruptly pulls the reins, equivalent to Middle French saqu(er) to pull violently (N dialectal variant of Old French sachier, ultimately derivative of sac sack1, hence presumably with sense “withdraw from a sack”) + -ade -ade1

Words nearby saccade

sac fungus, sac-a-lait, sacajawea, sacaton, sacc, saccade, saccadic, saccate, sacchar-, saccharase, saccharate

British Dictionary definitions for saccade

saccade
/ (səˈkɑːd, -ˈkeɪd) /

noun

the movement of the eye when it makes a sudden change of fixation, as in reading
a sudden check given to a horse

Word Origin for saccade

C18: from French: a jerk on the reins of a horse

Medical definitions for saccade

saccade
[ să-käd′, sə- ]

n.

A rapid intermittent eye movement, as that which occurs when the eyes fix on one point after another in the visual field.

Other words from saccade

sac•cad′ic (-kä′dĭk) adj.