| fissi- | |
| —combining form | |
| indicating a splitting or cleft: fissirostral | |
| [from Latin fissus, past participle of findere to split] | |
| 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. |