- a long, broad, nearly unbroken formation of clouds with a width usually greater than one degree of latitude and a length at least four times greater than its width: In this satellite photo, a large cloud band associated with a cold front can be seen off the east coast of the United States.
- a ribbonlike stylization of a cloud found especially in Chinese art and incorporated into the designs of Persian and Far Eastern rugs and carpets: The traditional Chinese cloud band is most conspicuous in the border of this rug.
