| BASSOONIST | • bassoonist n. A person who plays the bassoon, a musical instrument in the woodwind family. • BASSOONIST n. a performer on the bassoon. |
| BEASTHOODS | • beasthoods n. Plural of beasthood. • BEASTHOOD n. the state or nature of a beast. |
| BLASTOPORS | • BLASTOPOR n. the opening of the archenteron in the gastrula that develops into the anus of some animals, also BLASTOPORE. |
| BOATHOUSES | • boathouses n. Plural of boathouse. • BOATHOUSE n. a place for keeping boats. |
| BOOKSTALLS | • bookstalls n. Plural of bookstall. • BOOKSTALL n. a stall for the sale of books. |
| BOOKSTANDS | • bookstands n. Plural of bookstand. • BOOKSTAND n. a stand or support for holding up a book in reading. |
| BOOTSTRAPS | • bootstraps n. Plural of bootstrap. • BOOTSTRAP v. to prepare (a computer) for operation by causing an operating system to be loaded into its memory. |
| HOUSEBOATS | • houseboats n. Plural of houseboat. • HOUSEBOAT n. a boat moored and used as a permanent residence. |
| KOTTABOSES | • KOTTABOS n. (Greek) an ancient Greek game of throwing wine into a vessel, also COTTABUS. |
| OSTEOBLAST | • osteoblast n. (Biology, cytology) A mononucleate cell from which bone develops. • OSTEOBLAST n. one of the protoplasmic cells from or around which the matrix of the bone is developed. |
| SPOONBAITS | • spoonbaits n. Plural of spoonbait. • SPOONBAIT n. a lure on a swivel, used in trolling for fish, also SPOONHOOK. |
| STONEBOATS | • stoneboats n. Plural of stoneboat. • STONEBOAT n. (US) a low sledge for carrying rocks or other heavy objects. |
| STOOLBALLS | • stool-balls n. Plural of stool-ball. • STOOLBALL n. a kind of game with balls, formerly common in England, esp. with young women. |
| STOOPBALLS | • STOOPBALL n. a variation of baseball. |
| TARBOOSHES | • tarbooshes n. Plural of tarboosh. • TARBOOSH n. (Arabic) a fez, a hat worn by Muslim men, also TARBOUCHE, TARBOUSH, TARBUSH. |