| sir-reverence | |
| —interj | |
| obsolete an expression of apology used esp to introduce taboo or vulgar words or phrases | |
| [C16: short for save your reverence] | |
| the offspring of a zebra and a donkey. |
| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |