| BIRDWATCHERS | • birdwatchers n. Plural of birdwatcher. • bird␣watchers n. Plural of bird watcher. • BIRDWATCHER n. one who watches birds as a hobby. |
| BREATHARIANS | • breatharians n. Plural of breatharian. • BREATHARIAN n. a person who believes that it is possible, through meditation, to reach a level of consciousness where one can exist on air alone. |
| BROTHERLIEST | • BROTHERLY adj. like a brother. |
| BUTCHERBIRDS | • butcherbirds n. Plural of butcherbird. • butcher␣birds n. Plural of butcher bird. • BUTCHERBIRD n. the shrike. |
| FEATHERBRAIN | • featherbrain n. Alternative spelling of feather-brain. • feather-brain n. (Derogatory) a feather-brained or stupid person, especially a woman. • FEATHERBRAIN n. a foolish scatterbrained person. |
| HAIRBREADTHS | • hairbreadths n. Plural of hairbreadth. • HAIRBREADTH n. the breadth of a hair; a minute distance, also HAIRSBREADTH. |
| HAIRSBREADTH | • hairsbreadth n. A very short distance or a very small amount (as is the width of a hair). • hair's␣breadth n. A very small amount or distance. • HAIRSBREADTH n. the breadth of a hair; a minute distance, also HAIRBREADTH. |
| HEARTBURNING | • heartburning n. Secret enmity; discountent. • heartburning n. (Medicine) Heartburn. • HEARTBURNING n. intense or rancorous jealousy or resentment. |
| HEATHBERRIES | • HEATHBERRY n. any of various plants that have berrylike fruits and grow on heaths, such as the bilberry and crowberry. |
| INTERBOROUGH | • interborough adj. Between boroughs. • INTERBOROUGH adj. between boroughs. |
| ORTHORHOMBIC | • orthorhombic adj. (Crystallography) Having three unequal axes at right angles. • ORTHORHOMBIC adj. three mutually perpendicular axes of different lengths. |
| PROTHROMBINS | • prothrombins n. Plural of prothrombin. • PROTHROMBIN n. a protein-like substance present in blood plasma. |
| STRAIGHTBRED | • straightbred adj. Produced by breeding from a single breed, variety or species. • straightbred n. Any organism produced by breeding from a single breed, variety, or species. • STRAIGHTBRED n. an animal produced by breeding a single breed, strain, or type. |
| SUBARRHATION | • subarrhation n. (Historical) The ancient custom of betrothal by gift of pledges. • SUBARRHATION n. an ancient form of betrothal in which pledges of money, rings, etc. were given by the man to the woman, also SUBARRATION. |
| THIMBLEBERRY | • thimbleberry n. Rubus parviflorus, a species of Rubus, native to western and northern North America, from Alaska east… • thimbleberry n. The fruit of the above plant. • thimbleberry n. The black raspberry, Rubus occidentalis. |
| THIRDBOROUGH | • thirdborough n. (Obsolete) The head of a frankpledge. • thirdborough n. (Obsolete) The constable of a tithing or township. • THIRDBOROUGH n. (historical) an under-constable. |
| THUNDERBIRDS | • thunderbirds n. Plural of thunderbird. • Thunderbirds n. Plural of Thunderbird. • THUNDERBIRD n. in North American Indian lore, a huge bird personifying thunder and lightning. |
| VIBRAHARPIST | • vibraharpist n. Someone who plays the vibraharp. • VIBRAHARPIST n. one who plays the vibraharp. |