よこぎ横切yokogiるru
1.
To move sideways across a specific area, passing from one side to another, such as crossing a street or an open space.
2.
To have something pass through one's line of sight horizontally, visually obstructing or interrupting what one is observing.
3.
To briefly appear and then vanish, as in a fleeting thought or emotion that crosses one's mind.
Example:
私は彼女が通りを横切るのを見た。