Cĭr'rus, n.
n.; pl. CĪR'RĪ. [Lat. cirrus, a tuft of hair, curl.] [Also written cirrhus.]
Sense 1. (Bot.) A tendril. Lindley.
Sense 2. (Meteor.) A form of cloud composed of thin filaments, the union of which resembles sometimes a brush, sometimes masses of woolly hair, and again slender net-work. Nichol.
[See Note under CLOUD.]
Sense 3. (Zoöl.) A slender, fringe-like appendage in some inferior animals, which aids in locomotion. Carpenter.