| Ald. or Aldm. | |
| —abbreviation for | |
| Alderman | |
| Aldm. or Aldm. | |
| —abbreviation for | |
| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
| a chattering or flighty, light-headed person. |