What is the meaning of Cirrus?

A tendril.

A thin tendril-like appendage.

A principal high-level cloud type characterised by white, delicate filaments or wisps, of white (or mostly white) patches, or of narrow bands, found at an altitude of above 7000 metres.

cirrus, tendril

cirrus (tendril-like appendage)

cirrus (cloud)

cirrus (type of cloud)

a curl

the fringe of clothes

the tentacle of an octopus

the mane, especially the forelock, of a horse

cirrus (type of cloud)

Source: wiktionary.org