crud

nouns

heavy wet snow that is unsuitable for skiing
crud
is a type of (narrower)
a layer of snowflakes (white crystals of frozen water) covering the ground
snow
any substance considered disgustingly foul or unpleasant
crud, filth, skank
an ill-defined bodily ailment
"he said he had the crud and needed a doctor"
crud
is a type of (narrower)
an impairment of health or a condition of abnormal functioning
disease