| AERADIO | • aeradio n. (Aviation) A system allowing airplane pilots to communicate with flight control staff on the ground. • AERADIO n. (Canadian) a Canadian radio service for pilots. |
| ARBORIO | • arborio n. Ellipsis of arborio rice. • Arborio n. Alternative letter-case form of arborio. • ARBORIO n. (Italian) a round-grained rice used in making risotto. |
| BRACCIO | • braccio n. An Italian measure of length, varying from half a yard to a yard. • BRACCIO n. (Italian) an Italian measure of length. |
| CHEERIO | • cheerio interj. (Britain, Ireland, New Zealand, Australia, informal) Goodbye, an interjection said upon parting. • cheerio interj. (Rare) Hello; a greeting. • cheerio n. (New Zealand, Australia) A small saveloy often consumed with tomato sauce at parties. |
| ETAERIO | • etaerio n. (Botany) An aggregate fruit of achenes, drupes, or follicles. • ETAERIO n. an aggregated fruit like a blackberry. |
| HISTRIO | • HISTRIO n. (archaic) an actor, also HISTRION. |
| PAPILIO | • papilio n. (Zoology) Any butterfly of the genus Papilio. • Papilio prop.n. A taxonomic genus within the family Papilionidae. • PAPILIO n. (Latin) a type of butterfly. |
| PETITIO | • PETITIO n. a short form of petitio principii, a form of fallacious reasoning in which the conclusion has been assumed in the premises; begging the question. |
| ROSOLIO | • rosolio n. Any of several sweet liqueurs containing fruit extract. • ROSOLIO n. (Italian) a sweet cordial made with raisins, also ROSOGLIO. |
| SEGUGIO | • SEGUGIO n. (Italian) an Italian breed of dog. |
| SENECIO | • senecio n. (Botany) Any of the plants of the genus Senecio. • Senecio prop.n. A taxonomic genus within the family Asteraceae – groundsel or ragwort. • SENECIO n. (Latin) any plant of the genus Senecio, that includes groundsels and ragworts. |
| SICARIO | • sicario n. Hitman, hired killer (especially when referring to Latin American drug cartels). • SICARIO n. (Spanish) a hired gunman or assassin esp. in Latin America. |
| STELLIO | • STELLIO adj. as in stellio lizard, a STELLION. |