| ANURA | • Anura prop.n. A taxonomic order within the subclass Lissamphibia – frogs and toads. • Anura prop.n. (Archaic) A taxonomic genus within the family Asteraceae – now Arctium. • ANURA n. frogs and toads. |
| ARNUT | • arnut n. (Scotland) The earthnut. • ARNUT n. the earthnut, an edible root tuber of a woodland umbellifer. |
| AZURN | • azurn adj. Obsolete form of azure. • AZURN adj. (Milton) azure, also AZURE, AZUREAN, AZURY. |
| BURAN | • buran n. Alternative form of borani. • Buran prop.n. A Soviet spacecraft, modeled after the American Space Shuttle. • BURAN n. (Russian) a violent blizzard blowing from the NE in Siberia and central Asia, also BURA. |
| FURAN | • furan n. (Organic chemistry) Any of a class of aromatic heterocyclic compounds containing a ring of four carbon… • FURAN n. a chemical used in tanning, also FURANE, FURFURAN. |
| KNAUR | • knaur n. A knot or burl in a tree. • KNAUR n. a knot in a tree, also GNARL, KNARL. |
| LUNAR | • lunar adj. Of, pertaining to, or resembling the Moon (that is, Luna, the Earth’s moon). • lunar adj. Shaped like a crescent moon; lunate. • lunar adj. Extremely high. |
| NAIRU | • NAIRU n. (Economics) Initialism of non-accelerating inflation rate of unemployment. • NAIRU n. an acronym for Non-Accelerating Inflation Rate of Unemployment. |
| RAUNS | • RAUN n. (Scott) fish-roe, also RAWN. |
| RUANA | • ruana n. An outer garment typical of the Andes region of Venezuela and Colombia, and resembling a poncho. • RUANA n. (Spanish) a woollen outer garment resembling a poncho, worn in parts of South America. |
| ULNAR | • ulnar adj. Of or pertaining to the ulna, or the elbow. • ULNAR adj. pertaining to the ulna, the inner and larger of the two bones of the forearm. |
| UNARM | • unarm v. (Transitive) To disarm, to remove the armour and weapons from. • unarm v. (Intransitive) To remove one’s armour. • UNARM v. to deprive of arms. |
| UNARY | • unary adj. Consisting of or involving a single element or component. • unary adj. (Mathematics, programming, computer engineering) Of an operation, function, procedure, or logic gate… • unary n. (Mathematics) The unary, or bijective base-1, numeral system. |
| UNBAR | • unbar v. (Transitive) To unlock or unbolt a door that had been locked or bolted with a bar. • unbar v. (Transitive) To remove an impediment that obstructs the passage of (someone or something). • unbar v. (Transitive) To remove a prohibition. |
| UPRAN | • upran v. Simple past tense of uprun. • UPRUN v. to run up. |
| URBAN | • urban adj. Related to the (or any) city. • urban adj. Characteristic of city life. • urban adj. (US, proscribed, outdated) Relating to contemporary African American culture, especially in music. |
| URENA | • Urena prop.n. A surname. • Urena prop.n. A taxonomic genus within the family Malvaceae – certain tropical and subtropical plants. • URENA n. (Malay) any plant of the tropical genus Urena of the marrow family. |
| URMAN | • urman n. Synonym of taiga (a kind of subarctic forest). • Urman prop.n. A surname from German. • URMAN n. (Russian) swampy pine forest. |
| URNAL | • urnal adj. (Rare or obsolete) Pertaining to urns. • URNAL adj. pertaining to an urn. |