| ALBURNUMS | • alburnums n. Plural of alburnum. • ALBURNUM n. the soft wood between inner bark and heartwood. |
| AQUARIUMS | • aquariums n. Plural of aquarium. • AQUARIUM n. (Latin) a water filled museum for all forms of aquatic life. |
| AUTEURISM | • auteurism n. (Film) A theory that considers a work of cinema or television as the work of its director, rather than… • AUTEURISM n. the profession of auteur, film director. |
| CLAUSTRUM | • claustrum n. (Neuroanatomy) A thin, irregular sheet of grey matter underneath the inner part of the neocortex on… • CLAUSTRUM n. (Latin) a thin lamina of gray matter in each cerebral hemisphere of the brain of man. |
| COUMAROUS | • coumarous n. Plural of coumarou. • COUMAROU n. (Tupi) the seed of a tropical tree, aka tonka bean. |
| CUSTUMARY | • custumary adj. Obsolete form of customary. • custumary n. Obsolete form of customary. • CUSTUMARY n. a body or book of the customs of a manor, also CUSTOMARY. |
| FUSARIUMS | • FUSARIUM n. a type of fungus, causing plant disease. |
| LABURNUMS | • laburnums n. Plural of laburnum. • LABURNUM n. a genus of ornamental shrubs. |
| MACRUROUS | • macrurous adj. (Zoology) Of or pertaining to the Macrura; having a long tail. • MACRUROUS adj. long-tailed, also MACRURAL. |
| MARSUPIUM | • marsupium n. The external pouch in which female marsupials rear and feed the young. • marsupium n. A brood pouch in some fishes, crustaceans and insects in the family Monophlebidae. • MARSUPIUM n. (Latin) the pouch, formed by a fold of the skin of the abdomen, in which marsupials carry their young. |
| MASURIUMS | • MASURIUM n. a name proposed for element number 43, now called technetium. |
| MUDGUARDS | • mudguards n. Plural of mudguard. • MUDGUARD n. a fender. |
| SUGARPLUM | • sugarplum n. Alternative spelling of sugar-plum. • sugar-plum n. A round or oval sweet/piece of candy made of boiled sugar. • sugar-plum n. (Dated) A piece of flattery. |
| SUMPTUARY | • sumptuary adj. Relating to expenditure or expense, especially on luxury goods. • sumptuary adj. (Law, historical). • SUMPTUARY adj. relating to or regulating expense; relating to the control or moderation of extravagance. |
| UNIRAMOUS | • uniramous adj. Composed of only one branch. • UNIRAMOUS adj. esp. of the appendages of crustaceans, consisting of a single branch, also UNIRAMOSE. |