1. a Eurasian red squirrel (Sciurus vulgaris), which in colder areas (i.e. Russia whence fur has been imported) has more gray or white fur (and therefore has also been called Sciurus cinereus)

2. a gray squirrel (Sciurus griseus)

3. a Siberian chipmunk (Tamias sibiricus)

4. fur of any such animal

5. a paintbrush from such a fur

6. a garden snail (Cornu aspersum, syn. Helix aspersa)

7. a grey knight or dirty tricholoma, a mushroom of species Tricholoma terreum (syn. Tricholoma myomyces)

8. a certain cultivar of melon

9. a gray feather obtained from a female ostrich under her venter