| William IV | |
| —n | |
| known as the Sailor King. 1765--1837, king of the United Kingdom and of Hanover (1830--37), succeeding his brother George IV; the third son of George III | |
| 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. |