| BRONTOSAUR | • brontosaur n. Any member of the genus Brontosaurus. • BRONTOSAUR n. any of a genus of large sauropod dinosaurs of the Jurassic, also BRONTOSAURUS. |
| BURRSTONES | • burrstones n. Plural of burrstone. • BURRSTONE n. a cellular, flinty rock, used for millstones, also BUHR, BUHRSTONE, BURSTONE. |
| BUTTERHORN | • butterhorn n. A light, soft flaky roll made with butter and often almonds. |
| CARBOFURAN | • carbofuran n. (Chemistry) A highly toxic carbamate pesticide used on field crops. |
| GUBERNATOR | • gubernator n. Leader. • gubernator n. (Now humorous) Governor. • GUBERNATOR n. (Latin) a powerful man in government. |
| HARBOURING | • harbouring v. Present participle of harbour. • HARBOUR v. to shelter, also HARBOR. |
| OUTBARRING | • outbarring v. Present participle of outbar. • OUTBAR v. to form a barrier. |
| OVERBURDEN | • overburden v. To overload or overtax. • overburden n. (Geology) The rock and subsoil that lies above a mineral deposit such as a coal seam. • overburden n. (Archaeology) A sterile stratum that lies above the stratum being investigated. |
| OVERBURNED | • overburned v. Simple past tense and past participle of overburn. • OVERBURN v. to burn too much; to be overzealous. |
| REBOUNDERS | • rebounders n. Plural of rebounder. • REBOUNDER n. a basketball player who is good at catching the ball as it rebounds from the backboard. |
| RHUMBATRON | • RHUMBATRON n. a cavity resonator. |
| STUBBORNER | • stubborner adj. Comparative form of stubborn: more stubborn. • STUBBORN adj. obstinate. |
| TURNBROACH | • turnbroach n. (Obsolete) A turnspit. • TURNBROACH n. a turnspit. |
| UNBORROWED | • unborrowed adj. Not borrowed. • UNBORROWED adj. not borrowed. |
| UNBURROWED | • unburrowed v. Simple past tense and past participle of unburrow. • UNBURROW v. to bring out of a burrow. |
| UNDERBORNE | • underborne v. Past participle of underbear. • UNDERBEAR v. (obsolete) to support; to endure. |
| UNHARBOURS | • unharbours v. Third-person singular simple present indicative form of unharbour. • UNHARBOUR v. to dislodge from shelter. |
| YOUNGBERRY | • youngberry n. A hybrid between a blackberry and a dewberry of the rose family, first cultivated in the western United States. • YOUNGBERRY n. a large reddish-black fruit, a cross between a blackberry and a dewberry. |