cirrus
noun /ˈsɪrəs/
/ˈsɪrəs/
[uncountable] (specialist)- a type of light cloud that forms high in the skyTopics Weatherc2Oxford Collocations DictionaryCirrus is used before these nouns:
- cloud
Word Originearly 18th cent. (in the sense ‘tendril’): from Latin, literally ‘a curl’.