cirrous / cirrus / serous [ˈsɪrəs]
cirrous – adj. – 1. resembling, light, wispy clouds; 2. having curly structures especially in biological descriptions
cirrus – n. – 1. a tendril or any structure that resembles a tendril; 2. high altitude, thin white clouds
serous – adj. – having or resembling the clear, yellowish fluid in blood or other tissue fluid especially when discussing exudates