| BRAINSTORMED | • brainstormed v. Simple past tense and past participle of brainstorm. • brain-stormed v. Simple past tense and past participle of brain-storm. • brain␣stormed v. Simple past tense and past participle of brain storm. |
| CENTERBOARDS | • centerboards n. Plural of centerboard. • center-boards n. Plural of center-board. • CENTERBOARD n. a retractable keel used esp. in sailboats, also CENTREBOARD. |
| CENTREBOARDS | • centreboards n. Plural of centreboard. • centre-boards n. Plural of centre-board. • CENTREBOARD n. a retractable keel fitted to small racing yachts and dinghies, also CENTERBOARD. |
| COUNTERBORED | • counterbored v. Simple past tense and past participle of counterbore. • COUNTERBORE v. to form a counterbore in. |
| DECARBONATOR | • DECARBONATOR n. an apparatus or removing carbon dioxide. |
| GROUNDBURSTS | • groundbursts n. Plural of groundburst. • GROUNDBURST n. the detonation of a nuclear warhead at ground level. |
| INTERSCRIBED | • interscribed v. Simple past tense and past participle of interscribe. • INTERSCRIBE v. (obsolete) to write between. |
| MUTTONBIRDER | • muttonbirder n. One who takes part in muttonbirding, the seasonal harvesting of petrel chicks. • MUTTONBIRDER n. (New Zealand) a person who hunts muttonbirds. |
| STANDARDBRED | • standardbred n. (Horse racing) A breed of horse bred specifically for harness racing. • STANDARDBRED n. any of a breed of trotting and pacing horses developed in the United States, noted for speed and stamina, and used esp. in harness racing. |
| STARBOARDING | • starboarding v. Present participle of starboard. • STARBOARD v. to put or turn (the helm) to the starboard side of the vessel. |
| STRINGBOARDS | • stringboards n. Plural of stringboard. • STRINGBOARD n. a board that covers the ends of the steps in a staircase. |
| SUBORDINATOR | • subordinator n. (Grammar) Any of a lexical class of words that join clauses at a subordinate syntactic level. • subordinator n. One who subordinates, or reduces the status of, another person. • SUBORDINATOR n. one that subordinates. |
| SURTARBRANDS | • SURTARBRAND n. (Icelandic) a lignite found interbedded with lavas in Iceland, also SURTURBRAND. |
| SURTURBRANDS | • SURTURBRAND n. (Icelandic) a lignite found interbedded with lavas in Iceland, also SURTARBRAND. |
| THUNDERBIRDS | • thunderbirds n. Plural of thunderbird. • Thunderbirds n. Plural of Thunderbird. • THUNDERBIRD n. in North American Indian lore, a huge bird personifying thunder and lightning. |
| UNDERBREATHS | • underbreaths n. Plural of underbreath. • UNDERBREATH n. subdued voice; rumour. |