cirrus
cloud type
cirrostratus
genus of clouds
cirrus fibratus
cloud species
cirrus spissatus
cloud species unique to the genus cirrus, of such optical thickness as to appear grayish on the side away from the sun, and to veil the sun, conceal its outline, or even hide it
cirrus uncinus
cloud species
cirrus intortus
variety of cloud
cirrus radiatus
variety of cloud
Cirrocumulus undulatus
type of cloud
contrail
long, thin artificial clouds that sometimes form behind aircraft
cirrus floccus
cloud species
cirrus castellanus
cloud species
cirrocumulus
genus of clouds, high-altitude cloud
vertebratus
cloud variety
cirrus duplicatus
variety of cloud