Very warm air pushed northward west of the Great Lakes region, and subsequently spread eastward.

The revival of 125th Street is showing signs of spreading eastward.

Many scientists are worried about the possibility that the disease may spread eastward.

In front of him was a broad green field at least half a mile wide, spreading eastward.

The shouting intensified, spreading eastward, picked up by hundreds of throats.

One theory holds that coyotes spread eastward after the wolves were extirpated.

Since it appeared near Saturn's southern rim last month, the spot has been spreading eastward.

Chaturanga is assumed to have also spread eastward to China, under the name of xiangqi ("elephant game").

From there it spread eastward and northward to the Saskatchewan River.

Earlier this year, the epidemic exploded, spreading eastward and changing its pattern.