staggers

1. An unsteady movement of the body in walking or standing as if one were about to fall; a reeling motion

   the stagger of a drunken man

2. A disease of horses and other animals, attended by reeling, unsteady gait or sudden falling

   apoplectic or sleepy staggers

3. Bewilderment; perplexity.
4. The spacing out of various actions over time.
5. The difference in circumference between the left and right tires on a racing vehicle. It is used on oval tracks to make the car turn better in the corners.
6. The horizontal positioning of a biplane, triplane, or multiplane's wings in relation to one another.

1. Sway unsteadily, reel, or totter.
2. Doubt, waver, be shocked.
3. Have multiple groups doing the same thing in a uniform fashion, but starting at different, evenly-spaced, times or places (attested from 1856).

noun

Any of various diseases of animals that affects the nervous system, characterized by a lack of control of the limbs