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| 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. |
| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
| fire door | |
| —n | |
| 1. | a door made of noncombustible material, the purpose of which is to prevent a fire from spreading within a building |
| 2. | a similar door, leading to the outside of a building, that can be easily opened from inside; emergency exit |