- cirrus, cirrhus - usually coiled
--1 is a kind of tendril
- cirrus, cirrus cloud - a wispy white cloud (usually of fine ice crystals) at a high altitude (4 to 8 miles)
--2 is a kind of cloud
--2 has particulars: mare's tail - cirrus - a slender flexible animal appendage as on barnacles or crinoids or many insects; often tactile
--3 is a kind of process, outgrowth, appendage