| BACKCOURTS | • backcourts n. Plural of backcourt. • BACKCOURT n. in lawn tennis, that part of the court lying behind the service line. |
| BLOCKBUSTS | • BLOCKBUST v. to bring about the sale of property in an area by stirring up fears of racial change. |
| BUCKETLOAD | • bucketload n. As much as a bucket can hold. • bucketload n. (Informal) A large amount. |
| BUCKTHORNS | • buckthorns n. Plural of buckthorn. • BUCKTHORN n. a shrub of the Rhamnus genus. |
| BUTTERDOCK | • butterdock n. Butterbur. • BUTTERDOCK n. a wild plant, butterbur. |
| BUTTOCKING | • buttocking n. The cross-buttock throw in wrestling. • BUTTOCK v. in wrestling, to throw by the buttocks. |
| BUTTSTOCKS | • buttstocks n. Plural of buttstock. • BUTTSTOCK n. the stock of a firearm in the rear of the breech mechanism. |
| COUNTBACKS | • countbacks n. Plural of countback. • COUNTBACK n. a system of deciding the winner of a tied competition by comparing earlier points or scores. |
| KICKABOUTS | • kickabouts n. Plural of kickabout. • KICKABOUT n. an informal game of football, also KICKAROUND. |
| KNOCKABOUT | • knockabout adj. Boisterous. • knockabout adj. Suitable for rough use. • knockabout n. Clothing suitable for rough use. |
| OUTBACKERS | • outbackers n. Plural of outbacker. • OUTBACKER n. one who lives in the outback. |
| ROCKBURSTS | • rockbursts n. Plural of rockburst. • ROCKBURST n. a sudden, violent rupture or collapse of highly stressed rock in a mine. |
| TCHOUKBALL | • tchoukball n. An indoor ball game for two teams of twelve players (seven on the court at any time), in which points… • TCHOUKBALL n. a ball game involving a ball thrown against a highly sprung net. |
| TOUCHBACKS | • touchbacks n. Plural of touchback. • TOUCHBACK n. a play in which the ball is dead on or behind a team's own goal line, having been put across the line by an opponent but actually put down by a member of that team. |