| CENTRUMS | • CENTRUM n. (Latin) the body of a vertebra. |
| CHETRUMS | • chetrums n. Plural of chetrum. • CHETRUM n. (Tibetan) a monetary unit of Bhutan. |
| DECORUMS | • decorums n. Plural of decorum. • DECORUM n. (Latin) proper behaviour. |
| DOLDRUMS | • doldrums n. Usually preceded by the: a state of apathy or lack of interest; a situation where one feels boredom… • doldrums n. (Nautical) Usually preceded by the: the state of a sailing ship when it is impeded by calms or light… • doldrums n. (Nautical, oceanography, by extension) Usually preceded by the: a part of the ocean near the equator… |
| EARDRUMS | • eardrums n. Plural of eardrum. • ear␣drums n. Plural of ear drum. • EARDRUM n. the tympanic membrane. |
| FULCRUMS | • fulcrums n. Plural of fulcrum. • FULCRUM n. (Latin) a support for a lever. |
| HUMDRUMS | • humdrums n. Plural of humdrum. • HUMDRUM n. a dull boring person. |
| LABARUMS | • labarums n. Plural of labarum. • LABARUM n. (Latin) a moral standard; an ecclesiastical banner bearing Christ's monogram. |
| LUSTRUMS | • lustrums n. Plural of lustrum. • LUSTRUM n. (Latin) a period of five years. |
| LYTHRUMS | • LYTHRUM n. any of a genus of plants including loosestrife. |
| NOSTRUMS | • nostrums n. Plural of nostrum. • NOSTRUM n. (Latin) any secret, quack or patent medicine; any favourite remedy or scheme. |
| OESTRUMS | • oestrums n. Plural of oestrum. • OESTRUM n. (Latin) the period of heat in female mammals, also ESTRUM, ESTRUS, OESTRUS. |
| RASTRUMS | • rastrums n. Plural of rastrum. • RASTRUM n. (Latin) a music-pen. |
| ROSTRUMS | • rostrums n. Plural of rostrum. • ROSTRUM n. (Latin) a beaklike process or part. |
| SISTRUMS | • sistrums n. Plural of sistrum. • SISTRUM n. (Latin) a kind of rattle, consisting of a wooden or metal frame fitted with loose strips of metal and disks which jingled when moved. |
| TANTRUMS | • tantrums n. Plural of tantrum. • TANTRUM n. a fit of rage. |