名詞 cirrus:

1. usually coiled
   同義詞：cirrhus
2. a wispy white cloud (usually of fine ice crystals) at a high altitude (4 to 8 miles)
   同義詞：cirrus cloud
3. a slender flexible animal appendage as on barnacles or crinoids or many insects; often tactile

cir.rus

n.（名詞）
【復(fù)數(shù)】 cir.ri[sôr.o.]
A high-altitude cloud composed of narrow bands or patches of thin, generally white, fleecy parts.
卷云：一種高空云，由狹條狀或小塊狀的薄絮般的，通常是白色的部分組成
Botany A tendril or similar part.
【植物學(xué)】 卷須：卷須或類似的部分
Zoology A slender, flexible appendage, such as the fused cilia of certain protozoans.
【動(dòng)物學(xué)】 觸須：一種細(xì)長(zhǎng)、柔軟的突出物，如某些原生動(dòng)物的融合的纖毛

來源：
Latin [curl of hair]
拉丁語 [卷頭發(fā)]