Flaum m (genitive Flaums or Flaumes, no plural)
Flaum f (plural Flaume)
flaum m (definite singular flaumen, indefinite plural flaumar, definite plural flaumane)
From Middle High German phlūme, from Old High German phlūma. Early borrowing from Latin plūma. The modern onset f- instead of pf- is East Central German.