CIRRUS

[ 'sɪrəs ]

■ noun ( plural cirri -rʌɪ )

1》 cloud forming wispy streaks at high altitude.

2》 Zoology a slender tendril or hair-like filament, e.g. the barbel of a fish.

↘ Botany a tendril.

Origin

C18: from L., lit. 'a curl'.