say it: SIR-uhs
cirrus is a noun meaning "usually coiled". It carries 3 recorded senses.
a wispy white cloud (usually of fine ice crystals) at a high altitude (4 to 8 miles)
a slender flexible animal appendage as on barnacles or crinoids or many insects; often tactile
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for cirrus come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.