We don't have synonyms for floccus yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are flaccus.
(n) :
(meteorology) A cloud species which consists of rounded tufts of cloud, often formed by dissipation from larger cloud species. Associated with cirrus, cirrocumulus, altocumulus, and stratocumulus genera.
(n) :
(meteorology) A cloud species which consists of rounded tufts of cloud, often formed by dissipation from larger cloud species. Associated with cirrus, cirrocumulus, altocumulus, and stratocumulus genera.