| BALLROOMS | • ballrooms n. Plural of ballroom. • BALLROOM n. a large room for dancing. |
| CORALROOT | • coralroot n. Any of several saprophytic orchids of the genus Corallorhiza. • coralroot n. Cardamine bulbifera. • CORALROOT n. a kind of orchid. |
| GRILLROOM | • grillroom n. A restaurant serving grilled food. • grill␣room n. A restaurant that specializes in grilled food, where often the food can be seen being prepared by the chefs. • GRILLROOM n. a room where grills are prepared. |
| HOWLROUND | • howlround n. (Electronics) A high-pitched squeal produced by feedback when a microphone is too close to its connected speakers. • howl-round n. (Television) feedback (high-pitched howling noise caused by a loop between microphone and speaker). • HOWLROUND n. a condition resulting in a howling noise when recording from a mike, also HOWLBACK. |
| MAILROOMS | • mailrooms n. Plural of mailroom. • MAILROOM n. a room in an office that deals with mail. |
| POOLROOMS | • poolrooms n. Plural of poolroom. • POOLROOM n. an establishment for the playing of billiards, also POOLHALL. |
| RAILROADS | • railroads n. Plural of railroad. • railroads v. Third-person singular simple present indicative form of railroad. • RAILROAD v. to put through a process forcefully and rapidly. |
| REVELROUS | • revelrous adj. Characterized by or engaged in boisterous merry-making. • REVELROUS adj. given to revelry. |
| RIVALROUS | • rivalrous adj. Having a relationship of rivalry. • rivalrous adj. (Economics, of a good) Which can be consumed by no more than one person at the same time. • RIVALROUS adj. relating to rivalry. |
| SAILROOMS | • sailrooms n. Plural of sailroom. • SAILROOM n. a room aboard a vessel for storing sails in. |
| STILLROOM | • stillroom n. A room containing a still (for distillation). • stillroom n. A pantry adjoining a kitchen where drinks etc were stored or prepared. • STILLROOM n. a room, in a large house, where liquors, preserves, etc. are kept, and where tea, etc. is prepared for the table. |
| TOOLROOMS | • toolrooms n. Plural of toolroom. • tool␣rooms n. Plural of tool room. • TOOLROOM n. a room where tools are stored. |