| ABSTRACTOR | • abstractor n. Alternative form of abstracter. • abstractor n. (Dated, historical, UK) A clerk of a certain title or grade in the British civil service. • ABSTRACTOR n. one who abstracts, also ABSTRACTER. |
| BETROTHALS | • betrothals n. Plural of betrothal. • BETROTHAL n. an engagement to marry. |
| BIROSTRATE | • birostrate adj. (Rare) Having two beaks (or beak-like structures). • BIROSTRATE adj. double-beaked. |
| BOOTSTRAPS | • bootstraps n. Plural of bootstrap. • BOOTSTRAP v. to prepare (a computer) for operation by causing an operating system to be loaded into its memory. |
| MOTORBOATS | • motorboats n. Plural of motorboat. • motorboats v. Third-person singular simple present indicative form of motorboat. • motor␣boats n. Plural of motor boat. |
| OBITUARIST | • obituarist n. One who writes obituaries. • OBITUARIST n. one who writes obituaries. |
| OBTURATORS | • obturators n. Plural of obturator. • OBTURATOR n. a structure or device that closes a cavity. |
| ROUSTABOUT | • roustabout n. (Chiefly US) an unskilled laborer, especially at an oilfield, at a circus or on a ship, 19th c. • ROUSTABOUT n. a casual or unskilled laborer, esp. on an oil rig, also ROUSEABOUT. |
| STEREOBATE | • stereobate n. The foundation, typically of a stone building. • stereobate n. The steps of the platform beneath the stylobate. • STEREOBATE n. a substructure foundation. |
| STIRABOUTS | • stirabouts n. Plural of stirabout. • STIRABOUT n. (Anglo-Irish) porridge; a bustle, commotion. |
| STRABOTOMY | • strabotomy n. (Surgery) The surgical procedure of cutting or making an incision in a muscle or tendon of the eye to… • STRABOTOMY n. surgical removal of a squint. |
| STROBILATE | • strobilate v. (Intransitive, biology) To produce a strobilus (layered, conelike structure). • STROBILATE v. to undergo strobilation. |
| SUBTRACTOR | • subtractor n. Alternative spelling of subtracter. • SUBTRACTOR n. one who subtracts, also SUBTRACTER. |
| TABULATORS | • tabulators n. Plural of tabulator. • TABULATOR n. one who tabulates. |
| TIBIOTARSI | • tibiotarsi n. Plural of tibiotarsus. • TIBIOTARSUS n. in birds, a bone formed by the fusion of the tibia and some of the tarsals. |
| TORBANITES | • torbanites n. Plural of torbanite. • TORBANITE n. a shale, almost a coal, once mined for oil at Torbane Hill in Scotland. |
| TUBULATORS | • TUBULATOR n. one who tubulates. |
| TURBOSHAFT | • turboshaft n. A gas-turbine engine designed to transmit power by means of a geared shaft, used in helicopters and… • TURBOSHAFT n. a kind of gas turbine engine. |
| TURNABOUTS | • turnabouts n. Plural of turnabout. • turn-abouts n. Plural of turn-about. • turn␣abouts n. Plural of turn about. |