| ARBORETUM | • arboretum n. A place where many varieties of tree are grown for research, educational, and ornamental purposes. • ARBORETUM n. (Latin) a collection of trees. |
| BARNSTORM | • barnstorm v. To travel around the countryside making political speeches etc. • barnstorm v. (US) To appear at fairs and carnivals in exhibitions of stunt flying, sporting events, or theater. • barnstorm v. (US, of a sports team) To travel from town to town performing in front of small crowds. |
| BAROGRAMS | • barograms n. Plural of barogram. • BAROGRAM n. a recording made by a barograph, an instrument for recording air pressure. |
| BAROMETER | • barometer n. An instrument for measuring atmospheric pressure. • barometer n. (Figurative, by extension) Anything used as a gauge or indicator. • BAROMETER n. an instrument for measuring atmospheric pressure. |
| BAROMETRY | • barometry n. The art or process of making barometrical measurements. • BAROMETRY n. the art or process of making barometrical measurements. |
| BIOMARKER | • biomarker n. (Medicine) A substance used as an indicator of a biological state, most commonly disease. • biomarker n. (Biology) Any measurable phenomenon that indicates the presence of life. • BIOMARKER n. anything that might indicate the presence of a disease or pathological condition. |
| BOARDROOM | • boardroom n. The room where a group of people (especially the board of a company or organization) conducts its meetings. • boardroom n. (Figuratively) Corporations or corporate management considered as a section of society. • board-room n. Alternative spelling of boardroom. |
| BOMBARDER | • bombarder n. One who bombards. • BOMBARDER n. one who bombards. |
| BREADROOM | • breadroom n. An apartment in a ship’s hold where the bread is kept. • bread-room n. Alternative form of breadroom. • BREADROOM n. an apartment in a ship's hold where the bread is kept. |
| BROADBRIM | • broadbrim n. A hat with a very broad brim. • broadbrim n. (Humorous, dated) A Quaker. • broadbrim n. (Humorous, archaic, by extension) A quiet, sedate, respectable old man. |
| BROCKRAMS | • brockrams n. Plural of brockram. • BROCKRAM n. (dialect) fragmented rock, breccia. |
| BROODMARE | • broodmare n. Alternative form of brood mare. • brood␣mare n. A stud mare, a female horse used for breeding. • BROODMARE n. a mare for breeding. |
| BROOMRAPE | • broomrape n. Any of various plants, of the genus Orobanche, that are parasitic on the roots of other plants. • broom-rape n. Alternative form of broomrape. • broom␣rape n. Alternative form of broomrape. |
| EMBRACEOR | • embraceor n. A person guilty of embracery. • EMBRACEOR n. a person who seeks to influence jurors by corrupt means to deliver a partial verdict, also EMBRACER, EMBRASOR. |
| EMBRASORS | • EMBRASOR n. a person who seeks to influence jurors by corrupt means, also EMBRACEOR, EMBRACER. |
| MICROBARS | • microbars n. Plural of microbar. • MICROBAR n. a unit of atmospheric pressure. |
| TAMBOURER | • tambourer n. One who embroiders on a tambour. • TAMBOURER n. one who embroiders on a tambour. |