| BISSEXTILE | • bissextile adj. Having an intercalary day, particularly the quadrennial leap day of the Julian and Gregorian calendars… • bissextile n. Synonym of leap year: a year with an intercalary day. • BISSEXTILE n. the extra day in the leap year. |
| BOXERCISES | • BOXERCISE n. exercise via boxing. |
| BOXINESSES | • BOXINESS n. the state of being boxy, like a box. |
| CYBERSEXES | • cybersexes v. Third-person singular simple present indicative form of cybersex. • CYBERSEX n. sexual communication through computer networks. |
| HORSEBOXES | • horseboxes n. Plural of horsebox. • horse␣boxes n. Plural of horse box. • HORSEBOX n. a float for carrying a horse. |
| LOOSEBOXES | • looseboxes n. Plural of loosebox. • loose-boxes n. Plural of loose-box. • loose␣boxes n. Plural of loose box. |
| SAUCEBOXES | • sauceboxes n. Plural of saucebox. • SAUCEBOX n. a saucy, impudent person; esp. a pert child, also SAUCEPOT. |
| SMOKEBOXES | • smokeboxes n. Plural of smokebox. • SMOKEBOX n. part of a steam boiler where the smoke is collected before passing out at the chimney. |
| SNEAKBOXES | • sneakboxes n. Plural of sneakbox. • SNEAKBOX n. a small boat masked with brush and weeds that is used for wildfowl hunting. |
| SNUFFBOXES | • snuffboxes n. Plural of snuffbox. • snuff-boxes n. Plural of snuff-box. • snuff␣boxes n. Plural of snuff box. |
| SOUNDBOXES | • soundboxes n. Plural of soundbox. • sound␣boxes n. Plural of sound box. • SOUNDBOX n. a resonant cavity in a musical instrument. |
| SUBINDEXES | • subindexes n. Plural of subindex. • SUBINDEX n. a distinguishing symbol written below another character. |
| SUBLUXATES | • subluxates v. Third-person singular simple present indicative form of subluxate. • SUBLUXATE v. to partially dislocate. |
| SWEATBOXES | • sweatboxes n. Plural of sweatbox. • sweat␣boxes n. Plural of sweat box. • SWEATBOX n. a small enclosure in which one is made to sweat. |
| XENOBLASTS | • xenoblasts n. Plural of xenoblast. • XENOBLAST n. a type of mineral deposit. |