| BACKBONELESS | • backboneless adj. Without a backbone; invertebrate. • backboneless adj. Cowardly, spineless. • BACKBONELESS adj. without a backbone. |
| BACKCROSSING | • backcrossing n. (Genetics) The crossing of a hybrid with one of its parents or an individual genetically similar to its parent. • backcrossing v. Present participle of backcross. • BACKCROSS v. to create a cross between a hybrid and a parent. |
| BACKSTROKERS | • backstrokers n. Plural of backstroker. |
| BLOCKBUSTERS | • blockbusters n. Plural of blockbuster. • BLOCKBUSTER n. a bomb large enough to destroy a city block. |
| BLOCKINESSES | • BLOCKINESS n. the state of being blocky, block-like. |
| BLOCKISHNESS | • blockishness n. The state or quality of being blockish. • BLOCKISHNESS n. the state of being blockish. |
| BLOODSUCKERS | • bloodsuckers n. Plural of bloodsucker. • blood-suckers n. Plural of blood-sucker (alternative spelling of bloodsuckers). • BLOODSUCKER n. an animal that sucks blood. |
| BOOKCROSSING | • bookcrossing v. Present participle of bookcross. • bookcrossing n. The practice of leaving a book in a public location to be found and read by others, who then do the same. • BOOKCROSSING n. the practice of leaving a book in a public location to be found and read by others, who then do the same. |
| SCRAPBOOKERS | • scrapbookers n. Plural of scrapbooker. |
| SHACKLEBONES | • shackle-bones n. Plural of shackle-bone. • SHACKLEBONE n. (Scots) the wrist. |
| STOCKBROKERS | • stockbrokers n. Plural of stockbroker. • STOCKBROKER n. a broker who executes orders to buy and sell securities and often also acts as a security dealer. |
| STOCKJOBBERS | • stockjobbers n. Plural of stockjobber. • stock-jobbers n. Plural of stock-jobber. • STOCKJOBBER n. a wholesale dealer in stocks and shares. |
| SWIVELBLOCKS | • SWIVELBLOCK n. a block on which a swivel is mounted. |