| 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 fool or simpleton; ninny. |
walker walk·er (wô'kər)
n.
A frame device used to support someone, such as an infant learning to walk or a convalescent learning to walk again.
A shoe specially designed for walking comfortably. Often used in the plural.