| Alum | a manufacturer of aluminum |
|---|---|
| Alum | any of various forms of aluminum oxide occurring naturally as corundum |
| Alum | a person who has received a degree from a school (high school or college or university) |
| Alum | a person who has received a degree from a school (high school or college or university) |
| Alum | any of several herbs of the genus Heuchera |