释义 |
WordReference Random House Unabridged Dictionary of American English © 2024sac•cade (sa käd′, sə-),USA pronunciation n. - Sportthe act of checking a horse quickly with a single strong pull of the reins.
- Ophthalmologythe series of small, jerky movements of the eyes when changing focus from one point to another.
- French saccade jerk, jolt, origin, originally, movement of a horseman who abruptly pulls the reins, equivalent. to Middle French saqu(er) to pull violently (north, northern dialect, dialectal variant of Old French sachier, ultimately derivative of sac sack1, hence presumably with sense "withdraw from a sack'') + -ade -ade1
- 1720–30
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