| ANESTRUM | • anestrum n. Synonym of anestrus. • ANESTRUM n. (Greek) a period of sexual inactivity between periods of oestrus, also ANESTRUS, ANOESTRUM, ANOESTRUS. |
| DIESTRUM | • diestrum n. (Biology) The interval between two periods of estrus. • DIESTRUM n. a period of sexual inactivity, also DIESTRUS. |
| HUMSTRUM | • humstrum n. An instrument out of tune or rudely constructed. • humstrum n. A hurdy-gurdy. • humstrum n. (Uncountable) Music badly played. |
| LUSTRUMS | • lustrums n. Plural of lustrum. • LUSTRUM n. (Latin) a period of five years. |
| 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. |
| PLASTRUM | • plastrum n. Alternative form of plastron. • PLASTRUM n. a fencer's padded breast-shield; the underside of a turtle's shell, also PLASTRON. |
| 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. |
| STRUMMED | • strummed v. Simple past tense and past participle of strum. • STRUM v. to play a stringed instrument with the fingers. |
| STRUMMEL | • strummel n. Alternative spelling of strommel (“straw”). • strummel n. Alternative spelling of strommel (“hair”). • STRUMMEL n. (obsolete) a straw; hence, hair, also STRAMMEL. |
| STRUMMER | • strummer n. One who strums a stringed musical instrument. • STRUMMER n. one who strums. |
| STRUMOSE | • strumose adj. (Medicine) strumous; scrofulous. • strumose adj. (Botany) Having a struma. • STRUMOSE adj. scrofulous; having strumae, also STRUMATIC, STRUMOUS. |
| STRUMOUS | • strumous adj. (Medicine) scrofulous; having struma. • STRUMOUS adj. scrofulous; having strumae, also STRUMATIC, STRUMOSE. |
| STRUMPET | • strumpet n. A female prostitute. • strumpet n. A woman who is very sexually active. • strumpet n. A female adulterer. |