| BUCKBOARDS | • buckboards n. Plural of buckboard. • BUCKBOARD n. a light horse-drawn vehicle consisting of a flexible board on four wheels, with a two-person seat. |
| BUCKETFULS | • bucketfuls n. Plural of bucketful. • BUCKETFUL n. the contents of a bucket. |
| BUCKETINGS | • bucketings n. Plural of bucketing. • BUCKETING n. the act of bucketing. |
| BUCKETLOAD | • bucketload n. As much as a bucket can hold. • bucketload n. (Informal) A large amount. |
| BUCKETSFUL | • bucketsful n. Plural of bucketful. • BUCKETFUL n. the contents of a bucket. |
| BUCKHOUNDS | • buckhounds n. Plural of buckhound. • BUCKHOUND n. a hound for hunting deer. |
| BUCKJUMPER | • buckjumper n. One who takes part in buckjumping. • buckjumper n. A horse that buckjumps. • BUCKJUMPER n. (Australian) an untamed horse. |
| BUCKLERING | • bucklering v. Present participle of buckler. • BUCKLER v. (Shakespeare) to protect, shield. |
| BUCKRAMING | • buckraming v. Present participle of buckram. • BUCKRAM v. to pad or stiffen with buckram. |
| BUCKTHORNS | • buckthorns n. Plural of buckthorn. • BUCKTHORN n. a shrub of the Rhamnus genus. |
| BUCKWHEATS | • buckwheats n. Plural of buckwheat. • BUCKWHEAT n. a cereal plant, the seed of which is used for horse and poultry food, and in North America is milled for making breakfast pancakes. |
| BUCKYBALLS | • buckyballs n. Plural of buckyball. • BUCKYBALL n. a ball-shaped molecule containing 60 carbon atoms. |
| BUCKYTUBES | • buckytubes n. Plural of buckytube. • BUCKYTUBE n. a tube of carbon atoms. |