| 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. |
| ALCM | |
| —abbreviation for | |
| air-launched cruise missile: a type of cruise missile that can be launched from an aircraft | |
| ALCM air-launched cruise missile |