hartshorn (ˈhɑːtsˌhɔːn) ![]() | |
| —n | |
| an obsolete name for sal volatile | |
| [Old English heortes horn hart's horn (formerly a chief source of ammonia)] | |
| 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 printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question. |