chamois

This term refers to both a biological entity and a specific material. When referring to the animal, it describes a mountain-dwelling ungulate known for its agility on cliffs. When referring to the cloth, it describes a leather that has been treated to be highly absorbent and non-abrasive. Regarding countability, the word follows standard English noun patterns for both senses. However, in the context of the leather cloth, it is frequently used as a mass noun to describe the material itself, though it remains countable when referring to individual cloths.