| DUSTBALL | • dustball n. A ball of dust. • dustball n. (Archaic) A ball of grain-dust formed in the intestine of a diseased horse. • DUSTBALL n. a ball of dust. | 
| DUSTBINS | • dustbins n. Plural of dustbin. • dust␣bins n. Plural of dustbins. • DUSTBIN n. a trash can. | 
| FASTBACK | • fastback n. A motor car having a continuous slope from the roof to the rear. • FASTBACK n. a type of automobile roof. | 
| FASTBALL | • fastball n. (Baseball) Any of the variations of high speed pitches thrown in baseball. • fastball n. (Baseball) A four-seam fastball, which is a backspin pitch thrown with a ball gripped in the direction… • FASTBALL n. a type of pitch in baseball. | 
| FROSTBIT | • frostbit v. Simple past tense of frostbite. • FROSTBITE v. to affect with frostbite. | 
| JESTBOOK | • jestbook n. Joke book. • JESTBOOK n. a collection of funny stories. | 
| LASTBORN | • lastborn n. The youngest child of a family. • lastborn n. (Figuratively) The youngest member of any company or organization. • lastborn adj. Born last in a family; youngest in a the family. | 
| MISTBOWS | • mistbows n. Plural of mistbow. • MISTBOW n. a whitish arch like a rainbow, seen in mist, aka fogbow. | 
| POSTBAGS | • postbags n. Plural of postbag. • POSTBAG n. a bag for holding mail. | 
| POSTBASE | • postbase n. (Linguistics) A morpheme used as a suffix following either a base or another postbase. • POSTBASE n. a morpheme used as a suffix after a base word. | 
| POSTBOYS | • postboys n. Plural of postboy. • POSTBOY n. a boy who carries mail. | 
| POSTBURN | • postburn adj. After a burn. • POSTBURN adj. following a burn. |