An inner layer of short, fine fur or down underlying an animal’s outer fur, providing warmth and waterproofing.
More example sentences
- Beneath the overfur is short underfur of finer texture.
- The fur is composed of short, soft underfur covered by shiny guard hair.
- The pelage lacks underfur and is usually some shade of brown.
Definition of underfur in:
- The British & World English dictionary