| ALERION | • alerion n. (Heraldry) A heraldic eagle, especially one displayed without legs/feet or beak. • ALERION n. (French) in heraldry, an eagle displayed without feet or beak, also ALLERION. |
| CARRION | • carrion n. (Chiefly uncountable) Dead flesh; carcasses. • carrion n. (Countable, obsolete, derogatory) A contemptible or worthless person. • Carrion prop.n. A surname. |
| CHORION | • chorion n. (Anatomy, biology) The protective and nutritive membrane in higher vertebrates that attaches the fetus to the uterus. • chorion n. (Biology, entomology) The outer case of an insect egg. • chorion n. (Botany) The outer membrane of seeds of plants. |
| CLARION | • clarion n. (Music, historical or poetic) A medieval brass instrument chiefly used as a battle signal; related to… • clarion n. (By extension). • clarion n. (Heraldry) A charge thought to represent a type of wind instrument, a keyboard instrument like a spinet… |
| DURIONS | • durions n. Plural of durion. • DURION n. (Malay) a tree of the bombax family, widely grown in tropical Asia; its spinous fruit, also DURIAN. |
| MORIONS | • morions n. Plural of morion. • MORION n. a type of helmet, also MORRION. |
| MORRION | • morrion n. Alternative form of morion (“helmet”). • MORRION n. (historical) a crested metal helmet worn by soldiers in the 1500's and 1600's, also MORION. |
| MURRION | • murrion adj. (Obsolete) Infected with or killed by murrain. • murrion n. Alternative form of morion. • MURRION n. (Shakespeare) a disease of cattle, also MURRAIN, MURREN, MURRIN. |
| ORARION | • orarion n. A deacon’s stole in the Eastern Orthodox Church. • ORARION n. in the Orthodox Church, a deacon's stole, also ORARIUM. |
| PLERION | • plerion n. (Astronomy) A nebula powered by the pulsar wind of a pulsar. • PLERION n. a supernova remnant emitting radiation from both centre and shell. |
| PTERION | • pterion n. (Anatomy) The point corresponding with the posterior end of the sphenoparietal suture; known as the… • PTERION n. (Greek) a place where several skull bones meet. |
| TRIONES | • triones n. Plural of trione. • triones n. The seven principal stars in the constellation Ursa Major. • TRIONES n. (Latin) the seven stars of the Plough. |
| TRIONYM | • trionym n. A name consisting of three terms. • TRIONYM n. a trinomial name or expression. |
| TURIONS | • turions n. Plural of turion. • TURION n. (French) an underground bud, growing up into a new stem. |
| VIBRION | • vibrion n. (Biology, archaic) A microorganism, especially one that is pathogenic. • VIBRION n. a bacterium with a slight spiral curve, also VIBRIO. |
| VIRIONS | • virions n. Plural of virion. • VIRION n. a virus particle in its mature, infectious state. |