buckjumpingThe action (of a horse) of aggressively attempting to buck a rider.
BucklandA village and civil parish in Buckinghamshire, previously in Aylesbury Vale district: the parish is unusually long and narrow (OS grid ref SP8812).
buckleA metal clasp with a hinged tongue or a spike through which a belt or strap is passed and penetrated by the tongue or spike, in order to fasten the ends of the belt together or to secure the strap to something else.
buckleableCapable of being fastened with a buckle.
BucklebooA locality partly in Kimba district council area, and partly an outback area in South Australia.
BuckleburyA village and civil parish in West Berkshire district, Berkshire, England (OS grid ref SU5570).
buckminsterfullereneAn allotrope of carbon with the formula C₆₀, consisting of a hollow molecule with 60 atoms arranged in a truncated icosahedron structure; the smallest of the fullerenes.
BuckrabanyuleA locality in the Shire of Loddon and the Shire of Buloke, north western Victoria, Australia
buckrakerA well-connected journalist who uses his or her connections to earn a large sum of money from endeavors outside of ordinary work.
buckrakingThe practice of paid speaking before commercial interests, viewed as a potential source of conflict of interest.
buckramA coarse cloth of cotton, linen or hemp, stiffened with size or glue, used in bookbinding to cover and protect the books, in garments to keep them in the form intended, and for wrappers to cover merchandise.
budA newly sprouted leaf or blossom that has not yet unfolded.
BudaThe historical capital of the Kingdom of Hungary, and one of the originally three separate cities that were united in 1873 to become the Hungarian capital, Budapest.
buddhiA transpersonal faculty of mind higher than the rational mind that might be translated as ‘intuitive intelligence’ or simply ‘higher mind’. It is ‘that which knows’, i.e. able to discern truth from falsehood.
buddingtoniteAn ammonium feldspar with a vitreous lustre.
buddleAn apparatus on which crushed ore is washed.
buddleiaA tree or shrub of the genus Buddleja, of Africa, Asia, and the Americas, especially Buddleja davidii, a large ornamental shrub whose lilac flowers attract butterflies.