| CHEQUERBOARDS | • chequerboards n. Plural of chequerboard. • CHEQUERBOARD n. a board for playing chequers. |
| HEADQUARTERED | • headquartered v. Simple past tense and past participle of headquarter. • headquartered adj. If an organization is headquartered somewhere, it has its headquarters in that place. • HEADQUARTER v. to make one's headquarters. |
| PARAQUADRATES | • PARAQUADRATE n. a paired membrane bone of the vertebrate skull. |
| QUADRIFARIOUS | • quadrifarious adj. (Botany) Arranged in four rows or ranks. • QUADRIFARIOUS adj. arranged in four close-set rows along the stem. |
| QUADRILATERAL | • quadrilateral n. A polygon with four sides. • quadrilateral n. An area defended by four fortresses supporting each other. • quadrilateral adj. Having four sides. |
| QUADRILITERAL | • quadriliteral adj. Used to describe word roots in Afroasiatic languages which consist of four letters. • quadriliteral n. A word root in an Afroasiatic language which consists of four letters. • QUADRILITERAL adj. consisting of four letters. |
| QUADRILOCULAR | • quadrilocular adj. Having four cells or compartments. • QUADRILOCULAR adj. having four compartments. |
| QUADRINGENARY | • quadringenary n. (Rare) A quatercentenary. • QUADRINGENARY n. a four-hundredth anniversary or its celebration. |
| QUADRIPARTITE | • quadripartite adj. Divided into four parts. • quadripartite adj. Involving four parties or participants; four-party. • quadripartite n. A treatise divided into four parts. |
| QUADRUMVIRATE | • quadrumvirate n. Synonym of quattuorvirate. • QUADRUMVIRATE n. a group of four men acting together in some capacity. |
| QUARTERBACKED | • quarterbacked v. Simple past tense and past participle of quarterback. • QUARTERBACK v. to direct the offensive play of (as a football team). |
| QUARTERDECKER | • quarterdecker n. (Nautical) A ship that has a quarterdeck; an officer who serves on a quarterdeck. • QUARTERDECKER n. a stickler for naval etiquette. |