| ARBITRIUMS | • ARBITRIUM n. (Latin) a power of decision. |
| ARBORETUMS | • arboretums n. Plural of arboretum. • ARBORETUM n. (Latin) a collection of trees. |
| BARATHRUMS | • barathrums n. Plural of barathrum. • BARATHRUM n. (Latin) an insatiable extortioner or glutton; (historical) a pit in Athens into which condemned criminals were thrown. |
| DRAMATURGS | • dramaturgs n. Plural of dramaturg. • DRAMATURG n. a dramatist; specifically a reader and literary editor etc. to a permanent theatrical company, also DRAMATURGE, DRAMATURGIST. |
| MERCURATES | • mercurates n. Plural of mercurate. • MERCURATE v. to mercurialize or treat with mercury. |
| MORTUARIES | • mortuaries n. Plural of mortuary. • MORTUARY n. a place where dead bodies are kept until burial. |
| MUSTARDIER | • MUSTARDY adj. like mustard. |
| NUMERATORS | • numerators n. Plural of numerator. • NUMERATOR n. one who numbers. |
| PREMATURES | • prematures n. Plural of premature. • PREMATURE n. a premature baby, also PREEMIE, PREM, PREMIE, PREMY. |
| RUMINATORS | • ruminators n. Plural of ruminator. • RUMINATOR n. one who ruminates. |
| SUPERMARTS | • supermarts n. Plural of supermart. • SUPERMART n. a big supermarket. |
| SUPERSMART | • supersmart adj. Very smart. • SUPERSMART adj. very smart. |
| SUPERTRAMS | • SUPERTRAM n. a very superior tram. |
| SURMASTERS | • surmasters n. Plural of surmaster. • SURMASTER n. (archaic) the second master or deputy head in a school. |
| SURROGATUM | • surrogatum n. (Scottish law) A thing put in the place of another; a substitute. • SURROGATUM n. something that stands in place of something else, e.g. a price instead of the thing itself. |
| TAMBOURERS | • tambourers n. Plural of tambourer. • TAMBOURER n. one who embroiders on a tambour. |
| TERRARIUMS | • terrariums n. Plural of terrarium. • TERRARIUM n. (Latin) a glass enclosure for plants. |
| TRANSMUTER | • transmuter n. One who, or that which, transmutes. • TRANSMUTER n. one who transmutes. |
| ULTRASMART | • ultrasmart adj. Extremely smart. • ULTRASMART adj. very very smart. |