| ATHENAEUM | • athenaeum n. Alternative form of Athenaeum: a temple primarily dedicated to Athena or her Roman equivalent Minerva. • athenaeum n. An association for the advancement of learning, particularly in science or literature. • athenaeum n. The reading room or library of such an association; (by extension) any reading room or library. |
| CALCANEUM | • calcaneum n. (Anatomy) The calcaneus. • CALCANEUM n. (Latin) one of the bones of the tarsus which in man forms the great bone of the heel, also CALCANEUS. |
| CASTOREUM | • castoreum n. The bitter exudate of the castor sacs of mature beavers. • castoreum n. (Archaic) A hat made from beaver fur. • CASTOREUM n. (Latin) the dried perineal sacs of the beaver, or a brown unctuous strong-smelling substance obtained from them, formerly used in medicine and perfumery. |
| COLOSSEUM | • colosseum n. Alternative spelling of coliseum. • Colosseum prop.n. The largest stadium in the Roman empire, located near the center of Rome. • COLOSSEUM n. a large building or stadium used as a place of entertainment, also COLISEUM. |
| ECOMUSEUM | • ecomuseum n. A museum, often consisting of replica buildings in an outdoor setting, that shows the heritage of a… • ECOMUSEUM n. a type of interdisciplinary museum presenting the history and heritage of a region. |
| ENDOSTEUM | • endosteum n. (Biology) A membranous vascular layer of cells which line the medullary cavity of a bone; an internal periosteum. • ENDOSTEUM n. the internal periosteum, a membrane lining the medullary capillary of a bone. |
| GASTRAEUM | • gastraeum n. (Zoology) The whole undersurface of an animal. • GASTRAEUM n. the undersurface of the body, esp. in birds. |
| GYNAECEUM | • gynaeceum n. (Ancient Greece, Ancient Rome) The women’s quarters in a household; (hence, loosely) any building or area for women. • gynaeceum n. (Obsolete) An establishment in Rome where female workers made clothing and furniture for royalty. • gynaeceum n. (Botany) A gynoecium. |
| HYPOGAEUM | • hypogaeum n. Alternative form of hypogeum. • HYPOGAEUM n. (Greek) an underground chamber, also HYPOGEUM. |
| MAUSOLEUM | • mausoleum n. A large stately tomb or a building housing such a tomb or several tombs. • mausoleum n. (By extension) A gloomy, usually large room or building. • MAUSOLEUM n. (Latin) a large, stately tomb. |
| NYMPHAEUM | • nymphaeum n. An ancient Greek or Roman shrine consecrated to water nymphs, often with a fountain. • nymphæum n. Alternative spelling of nymphaeum. • NYMPHAEUM n. a temple for nymphs. |
| PERINAEUM | • perinaeum n. Alternative spelling of perineum. • perinæum n. Obsolete typography of perinaeum. • PERINAEUM n. the lower part of the body between the genital organs and the anus, also PERINEUM. |
| PETROLEUM | • petroleum n. A flammable liquid ranging in color from clear to very dark brown and black, consisting mainly of hydrocarbons… • PETROLEUM n. a general term including both oil and natural gas. |
| PROPODEUM | • propodeum n. The first abdominal segment in wasps, bees and ants, fused with the thorax to form the mesosoma. • PROPODEUM n. in some Hymenoptera, the first abdominal segment, also PROPODEON. |
| PRYTANEUM | • prytaneum n. (Historical) The town hall in an Ancient Greek city. • PRYTANEUM n. (Greek) an ancient Greek town hall. |
| STOMODEUM | • stomodeum n. (Anatomy) A depression on the ectoderm of a developing embryo that becomes the mouth. • STOMODEUM n. an embryonic oral cavity. |