| 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. |
folie á deux fo·lie á deux (fô-lē' ä dɶ', fŏl'ē)
n.
A condition in which symptoms of a mental disorder, occur simultaneously in two individuals who share a close relationship or association.