Cirrus

Webster's Practical Dictionary- A Practical Dictionary of the Englih Language · 1884 · p. 78

sir'rus, n.; pi. Cir'ri, -n. (Bot.) A tendril. (Meteor.) A form of cloud composed of thin filav. i. ments, resembling a brush or ma es of woolly hair. n. (Zobl.) A slender, fringe-like appendage.