cirrostratus plural
cir·ro·stra·tus
The plural form of cirrostratus is cirrostrati
C cDefinitions
- noun plural cirrostratus a cloud of a class characterized by a composition of ice crystals and often by the production of halo phenomena and appearing as a whitish and usually somewhat fibrous veil, often covering the whole sky and sometimes so thin as to be hardly discernible: of high altitude, about 20,000–40,000 feet (6000–12,000 meters). 1