roille
Roille is a term that can refer to several different things, often depending on the context. In ornithology, "roille" is a less common synonym for rale, which is an abnormal rattling sound heard in the chest during breathing. This sound is typically caused by the movement of air through airways filled with mucus or other fluids. Rales can be an indicator of various respiratory conditions in birds, such as pneumonia or bronchitis.
Beyond its medical usage, "roille" might appear in other, more obscure contexts. For instance, it could be