- crud - heavy wet snow that is unsuitable for skiing
--1 is a kind of snow
- filth, crud, skank - any substance considered disgustingly foul or unpleasant
--2 is a kind of waste, waste material, waste matter, waste product
- crud - an ill-defined bodily ailment; "he said he had the crud and needed a doctor"
--3 is a kind of disease
- filth, crud, skank - any substance considered disgustingly foul or unpleasant